( )1. This area is rich ________ coal and gas，and it’s worth exploiting.
A. in
B. on
C. for
D. with

1. A

( )2. —It’s a pity that you made a ________ mistake again.
—Oh，yes. “Careless” should be “carelessly” here.
A. spelling
B. punctuation mistake
C. word usage
D. missing word

2. C [点拨] make a word usage mistake 意为“犯了一个用词错误”。故选 C。

( )3. If children spend several hours playing outdoors each day，they can ________ the chance of having poor eyesight.
A. refuse
B. reduce
C. regret
D. relax

3. B [点拨] refuse 拒绝；reduce 减少；regret 后悔；relax 放松。根据句意并结合选项可知，孩子们每天在户外玩，可以降低视力变差的风险。故选 B。

( )4. If we don’t save energy，it will ________ some day.
A. put out
B. come out
C. break out
D. run out

4. D [点拨] run out 意为“用完”。故选 D。

( )5.(2024·四川成都改编)What exciting news! The 2025 World Games ________ in Chengdu.
A. was held
B. is held
C. will be held
D. holds

5. C [点拨] 主语“The 2025 World Games”和谓语动词 hold 之间存在被动关系；2025 年世界运动会的举行发生在将来，用一般将来时的被动语态。故选 C。

( )6. It’s a good habit to ________ the lights before leaving the classroom.
A. go on
B. go off
C. turn on
D. turn off

6. D [点拨] go on 继续；go off 爆炸，（警报器）突发巨响；turn on 打开；turn off 关闭。根据常识可知，离开教室前关灯是个好习惯。故选 D。

( )7. The boss is so ________ that no one dares to play jokes on him.
A. friendly
B. careful
C. popular
D. serious

7. D [点拨] friendly 友好的；careful 仔细的；popular 受欢迎的；serious 严肃的。根据语境可知选 D。

( )8. China has passed a law ________ the Yangtze River，which is the longest river in our country.
A. to protecting
B. protected
C. to protect
D. protecting

8. C

( )9. —To lose weight，I have to be on a diet.
—You’d better not. ________，you should take exercise.
A. Instead
B. However
C. Therefore
D. Although

9. A [点拨] instead 反而，代替；however 然而，但是；therefore 因此；although 尽管。故选 A。

( )10. There is a Chinese saying that goes “The whole year’s work ________ a good start in spring. ”
A. carries on
B. stands for
C. makes up
D. depends on

10. D [点拨] carry on 继续；stand for 代表；make up 组成；depend on 取决于。故选 D。

四、阅读短文，在文中空白处填入1个适当的单词，或用括号内所给单词的正确形式填空。
The world is not only hungry，but it is also thirsty for water. This may seem strange to you，since about 70% of the earth’s surface（表面）is covered __1__ water. But about 97% of that is sea water，or salt water.
Man can only use the other 3%—the fresh water from rivers，lakes，underground，and other sources. And we cannot even use all of that. Even __2__（bad），some of it has been made dirty. However，as things stand today，this fresh water is __3__ enough for us. But our need for water is becoming larger and larger quickly—almost day by day. We should take __4__（step）to deal with this problem now and __5__ this way we can get away from a serious worldwide water shortage（缺乏）later on.
We all have to learn how to stop __6__（waste）our valuable water. One of the first steps is to develop ways of __7__（reuse）it. Today in most large cities，water __8__（use）only once and then poured into a sewer system（下水道）. From there it returns to the sea or runs into underground places. But even if every large city reused its water，we still would not have enough. All we have to do __9__（make）use of sea water in the world is to remove the salt. If we take these steps，we __10__（be）in no danger of drying up.
1. ________ 2. ________ 3. ________ 4. ________ 5. ________
6. ________ 7. ________ 8. ________ 9. ________ 10. ________

1. with 2. worse 3. still 4. steps 5. in 6. wasting 7. reusing 8. is used 9. to make 10. will be