Single-use plastic bags are used at most a few times before they
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删除：把多余的词用斜线（＼）划掉。
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Last Sunday, my friends and I went to seaside. There was many people swimming in the sea. We felt about happy when we saw some wonderful view. But something unpleasant caught their eyes. Some visitors throw a lot of rubbish into the sea. We also found some dead fish, plastic bags and empty bottles float on the surface of the water, and the air smelt terribly. The marine (海的) environment is seriously damaged, what makes me worried. I think we should take effective measures to protecting the environment. Only by doing it will we live better and become healthier.
3 . People depend on insects to pollinate the plants that make many of the fruits, nuts and vegetables we eat. Past studies had shown urban air pollution might veil the smells insects use to find flowers. Computer models predicted this would cause problems for insects, seeking flowers for a meal. But scientists weren’t sure that would happen in real life.
James Ryalls, a biologist, and his team decided to find out if it would. Working in a field, his group crafted a system made up of large rings. Each area was open, so nearby insects could fly into it. The researchers pumped pollutant gases into these rings. Then during each field season, the scientists recorded how many times pollinators visited the flowers in each ring.
“The results were much more severe than we thought,” Ryalls says. Adding pollution “caused up to 90 percent fewer insects to be able to find the flowers that they need for food,” he says. This was in comparison to the pollutant-free rings. In some cases, only some 30 percent of the pollinating insects even entered the circles with polluted gases.
Counting insects proved easier than getting the pollution into the rings, notes Ryalls. He spent much of his time working on parts of the system that needed fixing. Along the way, gas spills occurred. “By the end of each summer experiment I smelt like a petrol station,” he says. One effect: “Insects now avoid me.”
Later, they counted seed pods on the plants. Overall, only around seven in every 10 flowers had been pollinated. That means there were far fewer seeds in polluted circles. If these were fruit or vegetable plants, there would have been far less food produced.
This study focused on insects finding flowers. But insects also use smells for communication and attracting mates. If air pollution covers those smells too, these tiny animals might face more threats to their survival.
1. What does the underlined word “veil” in Paragraph 1 probably mean?| A．Add. | B．Mask. | C．Release. | D．Form. |
| A．They counted insect visits to flowers. | B．They studied different polluted gases. |
| C．They drove some insects into the rings. | D．They pollinated flowers by themselves. |
| A．Pollution can result in fewer flowers. | B．Insects are afraid of the rings in the field. |
| C．Insects struggle to find flowers in polluted air. | D．Plant flowers depend on insects to pollinate. |
| A．The aim of the study. | B．Ways to help pollinators. |
| C．Insects’ various survival skills. | D．Insects’ means of communication. |
4 . You’ve heard that plastic is polluting the ocean — between 4.8 and 12.7 million tonnes enter ocean ecosystems every year. But does one plastic straw or cup really make a difference? Artist Benjamin Von Wong wants you to know that it does. He builds massive sculptures out of plastic garbage, forcing viewers to re-examine their relationship to single-use plastic products.
At the beginning of the year, the artist built a piece called “Strawpocalypse,” a pair of 10-foot-tall plastic waves, frozen mid-crash. Made of 168, 000 plastic straws collected from several volunteer beach cleanups, the sculpture made its first appearance at the Estella Place shopping center in Ho Chi Minh City, Vietnam.
Just 9% of global plastic waste is recycled. Plastic straws are by no means the biggest source (来源) of plastic pollution, but they’ve recently come under fire because most people don’t need them to drink with and, because of their small size and weight, they cannot be recycled. Every straw that’s part of Von Wong’s artwork likely came from a drink that someone used for only a few minutes. Once the drink is gone, the straw will take centuries to disappear.
In a piece from 2018, Von Wong wanted to illustrate (说明) a specific statistic: Every 60 seconds, a truckload’s worth of plastic enters the ocean. For this work, titled “Truckload of Plastic,” Von Wong and a group of volunteers collected more than 10, 000 pieces of plastic, which were then tied together to look like they’d been dumped (倾倒) from a truck all at once.
Von Wong hopes that his work will also help pressure big companies to reduce their plastic footprint.
Which of the following can be the best title for the text?
| A．Artists’ Opinions on Plastic Safety |
| B．Media Interest in Contemporary Art |
| C．Responsibility Demanded of Big Companies |
| D．Ocean Plastics Transformed into Sculptures |
As one of the most well-known tourist
6 . The Blue Planet Ⅱ's latest episode focuses on how the plastic is having a destructive effect on the ocean and slowly poisoning our sea creatures. Researchers recently also found that sea creatures living in the deepest place on Earth, the Mariana Trench, have plastics in their stomachs. Indeed, oceans are drowned in plastics.
Though it seems that the world couldn't possibly function without plastics, plastics are a remarkably recent invention. The first plastic bags were introduced in the 1950s, the same decade when plastic packaging began gaining popularity in the United States. This growth has happened so fast that science is still catching up with the change. Plastics pollution research, for instance, is still a very early science.
We put all these plastics into the environment, but we still don't really know what the outcomes are going to be. What we do know, though, is disturbing. The ocean plastic is estimated to kill millions of marine animals every year. Nearly 700 species, including endangered ones, are known to have been affected by it. One in three leatherback turtles, which often mistake plastic bags for jellyfish, have been found with plastics in their bellies. Ninety percent of seabirds are now eating plastics on a regular basis. By 2050, that figure is expected to rise to 100 percent.
And it's not just wildlife that is threatened by the plastics in our seas. Humans are consuming plastics through the seafood we eat. I could understand why some people see the ocean plastic as a disaster, worth being mentioned in the same breath as climate change. But the ocean plastic is not as complicated as climate change. There are no ocean trash deniers(否认者), at least so far. To do something about it, we don't have to remake our planet energy system.
This is not a problem where we don't know what the solution is. We know how to pick up garbage. Anyone can do it. We know how to deal with it. We know how to recycle. We can all start by thinking twice before we use single-use plastic products. Things may seem ordinary, like using a reusable bottle or a reusable bag, but when taken collectively, these choices really do make a difference.
1. Why is plastic pollution research still a very early science?| A．The plastics pollution research is too difficult. |
| B．Plastics have produced less pollution than coal. |
| C．The world couldn't possibly function without plastics. |
| D．Plastics have gained popularity too fast for science to catch up with. |
| A．By citing quotes from leading experts. |
| B．By making a comparison and contrast. |
| C．By presenting solid statistics. |
| D．By listing examples from his own experience. |
| A．We reap（收获） what we sow. |
| B．The shortest answer is doing. |
| C．All things are difficult before they are easy. |
| D．Actions speak louder than words. |
| A．The oceans become choked with plastics. |
| B．The ocean plastic is a global issue. |
| C．The Blue Planet Ⅱ Has left viewers heartbroken. |
| D．Plastics gain popularity all over the world. |
1. What is the man doing?
| A．Giving a lecture. | B．Chairing a meeting. | C．Making an announcement. |
| A．It grows faster than expected. |
| B．It goes beyond control. |
| C．It is below the preindustrial levels. |
| A．In 2015. | B．In 2019. | C．In 2020. |
| A．Global warming caused by greenhouse gases. |
| B．The urgent need of reducing greenhouse gases. |
| C．The disasters resulting from greenhouse gases. |
| A．A new plan. | B．Air pollution. | C．Water pollution. |
| A．The fish in it has died out. |
| B．It has stopped flowing. |
| C．It’s got badly polluted. |
10 . If you were to throw, say, a banana peel out of your car while driving along the motorway, that would be a completely harmless action, due to the fact that it’s part of a fruit—right? Actually, no. A banana peel can take up to two years to be naturally processed, and with a third of motorists admitting to littering while driving, that’s a whole lot of discarded banana peels. An orange peel and a cigarette butt has a similar biodegrading (生物降解) term to that of a banana peel, but in cans last up to 100 years; and plastic bottles last forever, as do glass bottles.
Which of the following has the longest biodegrading term?
| A．Glass bottles. | B．Tin cans. |
| C．Cigarette butts. | D．Banana peels |
