1 . 根据汉语提示完成短文。

Our beloved dog, Poppy,    1     (茫然失措) and didn’t conduct herself as usual. Poppy frowned and grieved all day long and we were concerned about her very much.     2     (为了阻止她受到伤害), we     3     (尝试使她高兴起来). But she     4     (抗议我们的每次尝试). Finally,    5     (我建议) we get a little dog for Poppy. Seeing that she had a playmate again, Poppy smiled happily, barked gently and     6     (高兴地直摇尾巴). Her gloomy moods finally disappeared. Poppy and the little dog     7     (建立了友谊) immediately.

2 . 根据提示，运用本单元的词汇、短语及句式或使用词汇的正确形式完成下面的语篇。
Dear Sir/Madam,

    1     (我写信感谢你的及时救援), without which my life couldn’t return to normal.

A few days ago,     2     (一场极其可怕的地震袭击了我的家乡), leaving many houses in ruins.     3     (shock) to find everything buried under the fallen houses, I burst into tears.     4     (世界似乎到了尽头). Thankfully, although you were strangers, you     5     (不遗余力) provide enough food and water for us to survive on. With strong support from the government and your generous aid, a new town was built upon the earthquake     6     (ruin).

I can’t express my gratitude too much.

Yours sincerely,

Li Hua

3 . 根据汉语提示完成短文。

Nicholas, intrigued by adventure stories,     1     (出发去滑雪) with his father. They had a wonderful day. When they were to leave, Nicholas decided to go down unusual trails himself. Unfortunately, a fierce snowstorm swept the area and Nicholas was lost. He remembered the story he ever read, in which a man was abandoned in a wild area and had to help himself out. “I would not shrink from danger. It’s time to     2     (我学到的技巧付诸实践了),” he whispered. He determined to     3     (逃命). Although in a subdued mood, he would not retreat.     4     (再三考虑之后), he     5     (全身心地建一个雪洞) to keep himself warm. The next day, he was found by his father, safe and sound.

4 . 短文填空

Suddenly, the aftershock struck, which made the rescue work more difficult. “A nurse in the ward was covered with rubble,” a doctor screamed with horror then. We volunteers rushed to     1     (帮助医生抢救被掩埋在废墟里的护士). Although we were faced with falling rubble from time to time, we focused our efforts on removing the bricks and the rubble that trapped her.     2     (通过我们的共同努力), the nurse was rescued. It was a miracle that she survived the earthquake.     3     (我们的努力和付出是值得的).

5 . 根据汉语提示补全短文

One day, while Tom was behind the wheel, some yellow vests     1     (分散了他的注意力). It is some volunteers dedicated to environmental protection work who are cleaning up the garbage on the roadside.     2     (相比) those who spit in public and litter about, these volunteers       3     (激励他做一些促进环境保护的事情). On reflection he decided to join the volunteers since the beautiful environment       4     (依靠每个人的贡献).

6 . 根据汉语提示完成短文

    1     (对稀有物种感到兴奋和惊讶) in the forest, Tim, a biologist, was immersed in     2     (拍摄它们的照片). It was when his cellphone battery ran out that he realized that he was lost in the forest. Without a compass or a map, he thought he     3     (无法走出去). What’s worse, he tripped and     4     (腿受伤了). After numerous attempts and failures, he saw the flash on the main road. At that moment, he was excited beyond description.

7 . 根据课文内容，在空白处填入所缺的单词。

About 75 percent of the city’s factories and buildings, 90 percent of its homes, and all of its hospitals were gone.     1     covered the ground like red autumn     2    .

8 . 阅读下列短文，在空白处填入适当单词或短语。

Amundsen was the first     1     on 8 September, 1911. He had teams of dogs     2     the sledges and all his men were on skis. Because of this, he made rapid progress.

Even Amundsen was moved by Scott’s death saying “Captain Scott left a record, for honesty, for sincerity, for     3    , for everything that makes a man”. Scott had failed to win the race to the Pole, but the great courage shown by Scott and his men made them heroes.

The reason     4     this was difficult was that the team had limited resources. They did not have enough staff, and the laboratory     5     they worked had poor air quality. However, after hundreds of failed experiments, they     6     came across a promising chemical.

Reeve became a     7     and energetic advocate for people with back injuries and disabilities raising millions of dollars     8     support of medical research.

With a sense of energy and commitment, Reeve undertook an intense exercise programme to help him achieve this goal. He     9     in a wide range of exercises     10     to rebuild muscle, and made remarkable progress.

9 . 根据汉语提示完成对话
M: I’m reading an interesting report on Mars.
W: Oh, what does it say? Does it say water could still     1    　(在火星地表下存在)?
M: Absolutely! It says there is water on Mars     2     (埋在地表下的). It’s just a matter of how deep it is.
W: Then could the soil on Mars somehow be fertile enough to grow simple plants?
M: The soil would need quite a bit of fertilizer to grow anything. And it would       3     (需要被保护) from the UV radiation.
W: One of the most exciting things about Mars is that there could have been life on it.     4    　(你个人的观点是什么) on the life on Mars theory?
M: Well, I’m not really an expert in this area, but my understanding is     5     (一切皆有可能).

10 . 短文填空

In January, eight gorillas (大猩猩) at the San Diego Zoo Safari Park, in California, became the first great apes to test positive (阳性的) for COVID-19. “There was an immediate concern,” said Nadine Lamberski, the chief     1     (保护) and wildlife health officer at the San Diego Zoo Wildlife Alliance. “We want to     2     (尽我们的职责) and take all measures to make sure that won’t happen again.”

So Lamberski made a decision. In February, she gave nine other great apes an experimental COVID-19 vaccine. Those nine became the first zoo animals in the United States to get the vaccine. Since then, the vaccine has been shipped out to zoo animals in 27 states. Lamberski got the COVID-19 vaccine from Zoetis, a company that makes medications for animals. Now the company reports that its vaccine is safe for other animals, too. It’s     3     (incredible) wonderful news for animals and those who care about them.

So far, Zoetis has donated its vaccine to nearly 70 zoos in the U.S. According to Lamberski, zoos are requesting the vaccine because their animals     4     (受到……的威胁) getting the virus from visitors and caretakers. “Animals in zoos are exposed to hundreds, if not thousands, of people a day,” Lamberski said.