Ⅰ.完形填空
阅读下面短文,从每题所给的A、B、C、D四个选项中选出最佳选项。
Have you ever heard of Saihanba? It is a very big forest lying in Chengde, Hebei. In Mongolian, 1 name means "beautiful highlands". Just as the name suggests, across the area were endless forest grasslands and clear lakes.
Saihanba used to be a royal(皇家) hunting ground. The weather there was 2 that in spring all year round. However, in 1863, 3 enough money, the land was open to all people, In the following years, tree cutting and wildfires 4 destroyed (破坏) the forests and grasslands. By the 1950s, Saihanba had poor land without animals or plants.
The plans for rebuilding a national forest in Saihanba started in the 1960s. 5 scientists travelled through Saihanba and studied there in 1961. When they 6 Saihanba, they could hardly find any trees. They finally found one standing alone in the large land. It greatly encouraged(鼓励) them.
From then on, they asked the workers 7 working until they turned Saihanba into a new
national forest. 8 they were planting trees there, they met countless difficulties. But they overcame (克服) the difficulties and great changes have taken place since then. Today, Saihanba is famous as the "Emerald(绿宝石) of North China". It is very important 9 Beijing's water and air quality because it can make the environment better. It is also a natural protection that can prevent sandstorms. In 2022, there were 10 sandstorms in Beijing over the years.
()1. A. its B. it's
C. itself D. it
()2. A. as nice as B. so nice as
C. as dry as D. so dry as
()3. A. make B. making
C. to make D. made
()4. A. quickly B. most quick
C. more quickly D. quicker
()5. A. The number of B. A number of
C. A little D. Little
()6. A. arrived B. got in
C. reached D. got
()7. A. not stop B. didn't stop
C. don't stop D. not to stop
()8. A. Since B. After
C. Before D. While
()9. A. for B. of
C. in D. with
()10. A. the least B. the fewest
C. least D. fewest

1. A 2. A 3. C 4. A 5. B 6. C 7. D 8. D 9. A 10. B