Will you eat everything in your lunch box today? If not, will you save it for another time or just throw it away?

A recent study     1     (find) that 17% of all the food     2     (produce) around the world gets wasted each year,     3     reaches about 931 million tons. Believe it     4     not, 61% of the waste happens in our houses!

Food waste in homes     5     (happen) in rich countries like the US and the UK as well as in poor countries for different reasons.

Cultural habits could also lead to waste at home,       6     (include) massive packaging and “buy one, get one free” deals. ‘Use by’ or ‘best by’ dates       7     products could also cause people to throw away food. People could throw out food because they think it is     8     (safe) to eat, when in fact the date only shows when quality might go down.

Food was     9     (much) valued even in richer countries just a few generations ago, because people often couldn’t afford to waste it.     10     (throw) away food is for sure a great waste and we should try to make people know the importance of saving food.

Lots of foreigners don’t understand why so many Chinese people are sorrowful about Yuan Longping’s passing away.

This reminds me     1     an issue more than 20 years ago,     2     I was a Chinese journalist in the US. Some American scholars     3     (think) China could hardly realize food-sufficiency because of the     4     (limit) water resources, decrease of agricultural land due to industrial     5     (expand) and the fast population growth. Just at that time, Yuan Longping announced breakthroughs in planting the new rice.     6     (bring) to large area application, this technique improved the annual growth of rice greatly, which fed     7     population of 60 million--equal to the whole of the UK.

Western scholars’ prediction of China back then was indeed analyzing China’s problems, but they failed     8     (realize) that the Chinese people have the capability to deal with these challenges.

If they had had any knowledge of Yuan who worked devotedly for our country, they wouldn’t have made such pessimistic evaluations. Why did the Chinese people make     9    ? Why are so many predictions about China in the West     10    (accurate)? It’s time to change minds to better understand China.

Charles Darwin was an English     1     (science) who studied nature. He is known     2     his theory of evolution (进化论)．

Darwin was born on February 12, 1809, in Shropshire, England. In 1831, Darwin boarded a ship     3     (call) the HMS Beagle and set out on a fantastic five­year journey around the world. His goal was     4     (study) the natural history of the areas he was to explore. Darwin was     5     (amaze) at the variety (多样性) of species he saw on his journey. He noticed that although the different islands had similar animals and plants, many seemed to have changed to adapt (适应) to their local environments. He noted some     6     (difference) between the mockingbirds found on San Cristobal, Floreana and two other islands. This led     7     (he) to wonder why they varied from place to place.

Darwin first presented his theory of evolution by natural selection (选择) in 1858 to explain how animals adapted to their environment to survive. The idea of evolution     8     (be) not new then, but Darwin’s theory explained how evolution occurred. When Darwin published On the Origin of Species in 1859, the book was     9     immediate success. However, it was not popular with people     10     believed that all the animals on the planet had been made at the same time by one creator. But Darwin scientifically proved all the species on Earth had evolved from earlier species!

Robert Owens felt     1     (defeat) and helpless on Sunday as he waited in Louisiana’s capital city for one of the most     2     (power) hurricanes ever to strike the US.

The 27-year-old man had spent days     3     (anxious) watching long lines of cars leaving for safer locations as Hurricane Ida     4     (approach). He had hoped that his wife and two children would be among them. But leaving would have required money for gas and a hotel room—something they didn’t have.

Out of desperation, Owens went to the bank on Saturday and applied     5     a payday loan. But he     6     (tell) he didn’t have enough credit history.

“Our bank account is empty-we can’t afford     7     (leave),” he said. “A lot of us here in my neighborhood have to stay and wait, not knowing how bad it’s going to get,” he said. “It’s     8     terrifying feeling to think my family is getting left behind.”

“The fact     9     we are not middle class or above just keeps coming back to bite us again and again, in so many different     10     (direction)and ways. A simple payday advance is just one of them,” he said. “It’s like we have to pay for being poor, even though we’re trying not to be poor.”

In December 2018, a bunch of friends and I went to Europe to travel. Upon arrival in Vienna, we got the keys to the house from its owner. The     1     (decorate) of the house was quite good.

In Vienna, if anyone wants to copy a key, he or she is expected     2     (prove) their ownership of the property (房产) the key is for. It’s also really expensive. An ordinary key usually costs 150 euros (1.170 yuan). As the person in charge of the keys, I had a great responsibility.

    3     next day, we went everywhere, including the Sisi Museum and a coffee shop in the city center,     4     had dinner in a fancy restaurant. We felt quite relaxed. While we     5     (enjoy) dinner, my friends came up to me, asking for the keys so they could leave early. It was then that I realized that I’d lost them.

The host asked us to give him 300 euros to cover the cost of a new set of keys. We made a complaint about it but we had to pay the money. So, hoping to get our money back, we decided to do some detective work     6     our own.

I wrote an email to the Sisi Museum in the middle of the night, wondering whether the staff had found them. Early in the morning, I received their reply, saying that they had not.

    7     (fortunate) in the end, the keys were found in a souvenir shop. The host even said congratulations to us.

Though we saw many great     8     (sight) in Europe, the most     9     (value) thing about my trip was this lesson I learned: Never lose your keys in Vienna. Your keys ought to     10     (take) good care of.

A Long March-5 rocket,     1     (carry) the Chang’e-5 spacecraft, takes off from the Wenchang Spacecraft Launch Site on the coast of southern island province of Hainan on November 24,2020.

China’s Chang’e-5 probe( 探 测 器 ) decelerated and entered the lunar orbit on Saturday,     2    completed a vital step on its way to collect and return moon samples, the China National Space Administration (CNSA)     3    (announce).

After flying about 112 hours from Earth,     4     engine on the probe ignited (点火) when it was 400 km away from the surface     5     the moon at 8:58 p.m. and shut down after about 17 minutes, the CNSA said.

The probe performed the braking without incident and entered the lunar orbit     6    (successful ) according to the real-time monitoring data.

Chang’e-5 , which     7     (make) up of an orbiter, a lander, an ascender(上升器 ), and a returner, has carried out two orbital     8    (correction) during the Earth-Moon transfer, achieving its     9     (expect) goals.

Afterward, it will adjust the altitude and inclination (倾斜度) of its orbit around the moon. When the time is appropriate, it will land softly on the near side of the moon     10    (collect ) and return samples from the moon as planned.