1 . It is in human nature to explore new things. To that end, many countries have been exploring space for many decades, particularly the US, Russia, and countries in Europe.
President Xi Jinping praised the success of the Chang’e 5 mission (使命) in bringing back the country’s first samples (样本) collected from the moon. The whole country is proud of this breakthrough. The Chang’e 5 mission has achieved many significant breakthroughs, including China’s first lunar (月球的) surface sampling, first liftoff from the moon and the first spacecraft with the ability to gather and meet in lunar orbit with samples to re-enter the Earth s atmosphere.
The success of the Chang’e 5 mission marks a conclusion of China’s current lunar exploration project. The successful re-entry and landing of the Chang’e 5 capsule (太空舱) have enabled China to obtain its first lunar samples, marking a new start for lunar and planetary research. With this achievement, China sets a new milestone in space exploration.
No matter how far China goes into space, it always stays true to its original mission-uncovering the secrets of the universe and contributing to human’s peaceful use of space. China is a peace-loving country and will use its achievements for promoting peace around the globe.
China views these efforts as part of the world’s lunar exploration. It chose a different landing site and is promising to share its samples to enrich the planet’s knowledge. Some foreign scientists have shown particular interest. The exploration is not for commercial purposes, but international scientific research. Human beings shall explore the moon together, as it will finally need large projects requiring international cooperation. China will play a leadership role in the international scientific community.
1. What made Chinese people feel proud according to the passage?| A．Landing on the moon successfully. | B．Gaining admission to exploring the moon. |
| C．Strengthening the ability to promote the peace. | D．Bringing back first samples collected from the moon. |
| A．Horrible but romantic. | B．Fearful but successful. |
| C．Challenging but rewarding. | D．Dangerous but peaceful. |
| A．The original mission remains unchanged. | B．Countries join together to explore the moon. |
| C．China takes pride in the achievements in space. | D．China sets a new milestone in space exploration. |
| A．A poster. | B．A leaflet. | C．A newspaper. | D．A guidebook. |
2 . Next time you watch videos in high resolution, pause for thought. Your decision may be having an unnecessary impact on the environment.
Watching videos on a smartphone in high resolution produces eight times as much carbon as viewing in standard definition, according to a report from the Royal Society. It adds that the difference in resolution is unlikely to be noticed on small screens anyway and suggests that the users should make a sensible choice in some circumstances.
“Avoiding streaming in unnecessarily high resolution will help reduce emissions,” the report says. “Platforms and regulators should consider limiting streaming resolution.” It recommends that, as part of a move “responsible streaming”, video should be turned off for many YouTube users who are only listening to the content. A previous study found that such a move could save between 1 per cent and 5 per cent of YouTube’s total emissions.
The authors do not calculate how much a person’s carbon footprint would be reduced by watching videos in lower resolution. However, they admitted that digital technology also plays a significant role in reducing emissions, such as by enabling people to communicate virtually rather than travel to meet face to face. “Digital technology lets us do things differently and it has huge potential to help reducing emissions—if used responsibly,” said Adrian Friday, professor from the University of Lancaster, who is a member of the working group for the report.
Using laptops, tablets, smart TVs and other devices for longer before upgrading will also reduce emissions, the report says. “Protecting and repairing phones is good practice to help keep them longer. Getting a phone or other device second-hand, or passing it on, and sharing equipment are other good ways.”
1. What’s the disadvantage of the high-resolution device according to this passage?| A．It can’t be upgraded in time. | B．It requires a larger screen. |
| C．It may not benefit the environment. | D．It functions rather slowly. |
| A．Replacing old laptops frequently. | B．Travelling to meet face to face. |
| C．Sharing equipment with others. | D．Streaming in high resolution. |
| A．communicating virtually is totally impractical. |
| B．YouTube is a popular platform around the word. |
| C．digital technology has more disadvantages than advantages. |
| D．digital technology should be used reasonably. |
| A．Art & Culture | B．Science & Tech | C．Entertainment | D．Economy |
| A．Rainy. | B．Sunny. | C．Windy. |
4 . The moon hasn’t had an easy time over the years. Since the beginning of the solar system 4.5 billion years ago, its gray and lifeless surface has been repeatedly hit by space rocks, leaving behind a landscape full of broken stones. Beneath this surface, however, hide the moon’s most attracting secrets for human explorers, from a large amount of ice for producing drinking water to rocket fuel. More importantly, mapping the moon’s subsurface can show some hidden periods of solar system history. This is confirmed by fresh results from a Chinese rover (月球车).
The latest results come from the Chang’e-4 mission, run by the China National Space Administration. Launched in December 2018 and reaching the moon in early January 2019, the mission became the first to land on the far side of the natural satellite, targeting a region near the lunar south pole called the South Pole-Aitken Basin. The Chang’e-4 rover is still operational today and has been slowly moving across this region, traveling a few hundred meters since it landed.
Using a radar instrument on Chang’e-4, researchers have found that the rover is likely sitting on different layers of ejecta ( 喷 出 物 ) and a very clear order of layers can be seen. The rover’s radar instrument was able to enter up to 40 meters below the surface of the moon, more than twice the distance achieved by the former, the Chang’e-3 mission, which landed on the moon near side in December 2013. Data from the latest mission show three different layers beneath the rover. It is not currently possible to date the layers under Chang’e-4. But they do provide some information about lunar history dating back about four billion years.
The rover is continuing to move across the surface, making regular stops to take measurements and use its instruments.
1. What is the most important purpose of human’s exploration of the moon?| A．To seek fresh drinking water. |
| B．To find hidden rocket fuel. |
| C．To study different layers of ejecta. |
| D．To uncover the hidden history of solar system. |
| A．It landed on the moon about five years later than Chang’e-3. |
| B．It is the first to travel around the moon during the exploration. |
| C．It took over a year from launch to land the far side of the moon. |
| D．A radar instrument helped it to enter 40 meters below the surface of the moon. |
| A．Historical Story. | B．Science Fiction. |
| C．Scientific Front. | D．Chinese Economy. |
| A．China’s Moon Rover — a Deeper Look At the Far Side |
| B．China’s Moon Rover — a Starting Research On the Moon |
| C．Chang’e-4 — a Closer Observer Into the Heart of the Moon |
| D．Chang’e-4 — A Chinese Space Mission Leading the World |
5 . Hello! Wait! Don't run away. Yes, I know I am a roach. So, what's wrong with that?
You are speaking to the most successful species on the planet, you know! We've been around for 350 million years!
So what's the secret of our success? Sure, we've had plenty ofenemies. If you're small and full of protein, everything wants to eat you. So what did we do? We got quick, is what. We learned to hide, is what. We can squeeze so flat that we can fit through gap no bigger than a coin. Really! I dare you, try it.
And we never skip a meal! What do we eat? What have you got? Rotting leaves, garbage glue, paper, leather...and if you like to eat dead things, I tell you, the world is your refrigerator! But just don't offer me a cucumber or plastics!
Once humans came along, we went everywhere humans went. In ships, on planes, in camepacks across the desert Roach road trin! We even followed them to space! That's Uncle Anton. He hid on board the A pollo capsule — he was so mad when they just came right back to earth.
You can't have too many roaches. I say. Now there are 4.000 species of us: Asian, American. German... hope you get to meet them all someday.
Some of the family get pretty strange That's Reginald. He thinks if he pretends to be a firefly, birds won't oat him. That's tough old Ant Elo. She worked for some scientists trying to figure out ways to get rid of us ...ha! Poison, radiation, heat, cold…whatever they throw at us, we just get tougher. Bring it on!
Aw, look. that's me just after my 15 brothers and sisters and I hatched （孵化) out from egg case. Yeah. I look pretty much the same. That's another roach wonder — we skip the larva stage(幼虫期).Our eggs hatch all ready to roll! Still pretty cute, though.
Yep, that's how we got to be the most successful species on the planet!
1. What may contribute to a roach's success?①being flexible ②running like wind
③being full of protein ④raising many babies
| A．①②③ | B．②③④ | C．①③④ | D．①②④ |
| A．A hero. | B．A spaceman. | C．A roach. | D．A traveler. |
| A．They can almost roll when they are brought to the world. |
| B．Their number is coming down thanks to scientists' efforts. |
| C．Their home is usually equipped with a refrigerator full of foods. |
| D．They are getting along quite well with other species on the planet. |
| A．Pitiful. | B．Anxious. | C．Serious. | D．Humorous. |
6 . Which hand do you use to write your name? Which foot do you use to kick a ball? You probably use the same hand or foot. That's called your dominant side.
About 90 percent of humans are right-handed. Scientists want to know whether other animals also have dominant sides. So they give simple challenges to zoo animals and pets.
At first, chimpanzees（大猩猩） appeared to be left-handed. Dr. Hopkins watched chimpanzees as they went “ants fishing", using sticks to pull ants out. Most of the chimps did the job with their left hand. However, when chimpanzees ate butter from a narrow pipe, they tended to use the left hand to do the easy part (hold the pipe) and a finger on the right hand to do the hard part (reach in for the treat).
Does that mean chimpanzees are left-handed for some tasks and right-handed for others? That's not likely. Dr. Hopkins says the chimps may have used the weaker hand to pull out the ants and the dominant hand to hit the insects and put them in mouths.
But how about other animals? Dr. Wells wondered if cats are right- or left-pawed. At the beginning. he gave the cats the simple task of moving across the floor. The cats showed no preference; they used either paw. Dr. Wells also made the cats perform given movements. The researcher dropped a small fish into a can and wrote down which paw each cat used to fish out the treat. All of the female cats except one used the right paw. For males, 19 out of 21 used the left paw. Dr. Wells tested each cat many times to make sure it really preferred to use one paw instead of the other.
1. In Paragraph 1, the word "dominant" can be replaced by “_______”.| A．gentle | B．powerful | C．opposite | D．unique |
| A．Chimpanzees use right hands for tough tasks. |
| B．About 10 percent of humans are left-handed. |
| C．Chimpanzees get the treat with the weaker hands. |
| D．Left hands are more important in getting the butter out. |
| A．moving across the floor was a challenging task for cats |
| B．various foods were necessary to carry out a scientific study |
| C．eats used different paws each time in the repeated tests |
| D．male and female cats had the opposite choice to get the fish |
| A．saw eye to eye with each other |
| B．discovered it was not a simple yes or no |
| C．raised different animals to seek the truth |
| D．worked together to perform experiments |
7 . Drug development is a risky and costly business. Many possibly effective drugs fail to cut the mustard during the experiments. One reason is that drugs which work on lab animals may not work quite so well in human tests. Being able to pick winners and losers as early as possible would save money, and the One Health Company thinks it may have found a way. It is offering to help medical groups test their cancer drugs on sick pets.
There are several benefits. By treating animals with existing cancers, it hopes to avoid a problem with modern animal research, which is that the “model” animals and diseases that are used to test drugs are not always good stand-ins (替身) for the natural illness. For example, mice used to test cancer drugs may have had their tumours (肿瘤) placed into their bodies, or their immune systems weakened with drugs.
Another plus is that pet owners tend to be great caretakers who are very knowledgeable about their four-legged friends and are likely to report even small changes in behaviors. Lab animals are checked far less often.
Perhaps the most useful aspect of using pets for drug experiments, however, is that there is no law on animals’ medical records. One Health has been able to get 98% of records on animals from hospitals—a number that is impossible for humans. That allows the company to find the right animals for a drug experiment.
Based on the benefits above, the company hopes that pets will prove useful in other diseases in addition to cancers. Horses, for example, seem to be good stand-ins for humans when it comes to arthritis (关节炎). Cats, meanwhile, may prove instructive in breast cancer research.
1. What do the underlined words “cut the mustard” in Paragraph1 probably mean?| A．Meet the requirements. | B．Reduce the pain. |
| C．Affect the test results. | D．Tell the differences. |
| A．It makes sure the animals with natural diseases are used. |
| B．It makes sure the model animals are checked regularly. |
| C．It makes sure most animals’ medical records are available. |
| D．It makes sure the model animals are in healthy condition. |
| A．How to help sick pets at a low price. | B．How to improve drug experiments. |
| C．How to save the drug business. | D．How to treat some pet diseases. |
A． | B． | C． | D． |
8 . Pingvellir National Park was founded by law in 1930. The Act states that "Pingvellir shall be protected national shrine（圣地）for all Icelanders." In 2004 Pingvellir was added to the UNESCO World Heritage List.
Facilities At Pingvellir National Park
The National Park Information Center at Leirar can provide advice on camping, fishing and hiking as well as other general information on the park. There is a small and comfortable cafeteria where drinks and light meals can be obtained.
At Hakio Visitor center is an interactive exhibition where the national park's history and nature comes alive. Guests can also find there souvenir shop and small cafeteria.
Pingvellir National Park Rules
• All nature in the National Park is protected. Don't disturb any natural or man-made feature.
• Do not damage vegetation. Fires are prohibited.
• Do not litter in the National Park.
•Do not drive off-road or park outside a designated（指定的）parking areas.
• Dogs must be kept on a leash（皮带）,and owners must clean up after their pets.
•Note that the Pingvellir area has many rock fissures and cracks. Stay careful.
• Camping is only permitted at designated campsites. Observe quiet between midnight and 8 am.
• Fishing permits are sold at the service center. Note that boats must not be launched from National Park land.
• Park rangers and service center staff will be pleased to provide further information.
• Pingvellir National Park is a haven of peace. Drunkenness is inappropriate here, and disturbs other visitors. The National Park reserves that right to expel drunken visitors.
1. What's this picture?| A．A warning notice. | B．A museum guide. |
| C．A travel leaflet. | D．An advertisement. |
| A．With permission and donation. |
| B．With freedom and pleasure. |
| C．With attention and calmness. |
| D．With caution and respect. |
| A．Ask for advice at Visitor Center. |
| B．Walk pet dogs with dog leashes. |
| C．Fish in the lake without permits. |
| D．Camp only within the given time. |
Door-to-door food delivery (快递) service has become increasingly popular in cities due to the fast development of online shopping and the busy life in China.
As food delivery is extremely common in China, it creates large amounts of waste due to the plastic containers. bags, and chopsticks that come with each order. This in turn has contributed to great environmental concerns for the waste packaging materials. We have therefore measured the amount of food delivery packaging waste in China. The results show that the total amount of packaging waste rose from 0.2 million metric tons in 2015 to 1.5 million metric tons in 2020.Over-packaging is also a concern. The food delivery packaging is not the fancier, the better. Instead, it is the more environment-friendly, the better.
Therefore, it is high time that regulations were adopted to stop restaurants and companies from spending too much on unnecessary packaging and wrapping. Also, smart policy suggestions should be provided to handle the pressing issues, particularly using the Reduce, Reuse and Recycle environment-friendly practices.
As the largest city in China, Shanghai has an important role in creating and seeking an efficient solution to the problem of waste. With over 24 million people living in Shanghai, materials sustainability (可持续性), particularly that of plastics, is a big problem. For example, delivery companies like Saucepan have begun to reduce the plastic usage of the food delivery in Shanghai by using biodegradable（可降解的) packaging in the delivery process. Besides, it encourages customers to recycle their plastic bags and reward them for every 10 used bags that they return to the company.
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10 . For ten years my father had been fighting cancer. Now he was forced into the hospital because of an infection. I sensed he
One night after
A(n)
| A．escaped | B．missed | C．avoided | D．hated |
| A．way | B．aim | C．view | D．reply |
| A．battling | B．failing | C．seeking | D．sweating |
| A．hand | B．foot | C．knee | D．head |
| A．exist | B．spread | C．rise | D．recover |
| A．in search for | B．in response to | C．in honor of | D．in common with |
| A．alarmed | B．satisfied | C．shocked | D．concerned |
| A．reflection | B．impression | C．tension | D．inspiration |
| A．admitted | B．expected | C．doubted | D．decided |
| A．minutes | B．struggles | C．adventure | D．impression |
| A．set off | B．pulled up | C．pushed over | D．shot up |
| A．visit | B．check | C．occasion | D．contact |
| A．Definitely | B．Frankly | C．Surprisingly | D．Immediately |
| A．Although | B．Unless | C．Since | D．Once |
| A．aching | B．moving | C．thin | D．strong |
