1 . 在空白处填入1个适当的单词或括号内单词的正确形式。

On a     1     (freeze) cold day in January 1994, Jiesang Suonandajie gave his life to save the Tibetan antelope. By the 1990s, the number of the antelopes     2     (fall) from millions to about 50, 000. The reason is     3     the wool of the Tibetan antelope is the     4     (expensive) in the world and brings huge profits to poachers. Often at night, whole herds of antelopes are shot and skinned     5     the spot with the     6     (except) of the babies. Then the wool is taken to India to make shawls, which     7     (export) to rich countries in North America and Europe. In the 1990s, the Chinese government began to protect the antelopes     8     (active). Meanwhile, in those countries    9     the shawls are sold, the police are getting tough with the dealers, making the antelope population increase     10     (slow) since 1997.

2 . 阅读下面材料，在空白处填入一个适当的单词或所给单词的正确形式。

Humans successfully reached the top of the world, Mount Qomolangma, for the first time in 1953. On May 23, 70 years later, a Chinese expedition team reached its peak and     1     (carry) out scientific research, which celebrated the historical adventure. The journey to the top is     2    (extreme) dangerous and takes both bravery and good physical health     3    (complete). Climbers fight against the harsh (恶劣的) environment and go beyond     4     (they) limits.

The main reason why scientists fearlessly continue this climb to the top can be the rich information that Mt Qomolangma provides. Due to its biodiversity, it can     5     (see) as a “micro Earth”. The drop in altitude (海拔) from the top is huge, forming     6     wide range of climates and creating its own ecosystem. Also, the Qinghai-Tibet Plateau (青藏高原),    7    Mt Qomolangma is located, is an important ecological resource.

“The expedition has transformed from ‘I want to conquer you’ to ‘I want to understand you’,” said Yao Tandong, team     8     (lead) of the expedition. The scientists’ work was beyond     9     (collect) samples. Advanced equipment like drones (无人机) and 3D laser scanning, was used to better monitor pollutants and changes in glaciers. With those new technologies, the expedition resulted     10     important international influence.

3 . After graduation, she couldn't wait_____ (return) to her hometown. （所给词的适当形式填空）

4 . She ought to stop studying; she has a headache because she _________ (read) the works about evolution all day long. (所给词的适当形式填空)

5 . He convinced the police department to allow him _________ (set) up a couple of “chat benches” to reduce cybercrime. (所给词的适当形式填空)

6 . The two geologists are proud _________ their work. (用适当的词填空)

7 . Since I answered the call, my phone has never stopped ringing. People_________ (phone) to ask how I will work in the distant place. (所给词的适当形式填空)

8 . If you detect them _________ (regular), the material will become more meaningful, and you will remember it longer. (所给词的适当形式填空)

9 . They _________ (quarrel) about the cybercrime since two days ago. (所给词的适当形式填空)

10 . The geologist _________ (work) hard since the new year began. (所给词的适当形式填空)