《2026年长江作业本同步练习册九年级英语下册人教版》

二、课时训练2 (3a~4c)
Ⅰ. 语块积累。
在横线上写出下列语块的英语意思。
1. 听说 hear of
2. 割掉；砍掉 cut off
3. 到目前为止 so far
4. 对……有害 be harmful to
5. 不但……而且 not only...but also...
6. 给……带来危险 bring danger to
7. ……的数量 the number of
8. 不再 no longer
9. 采取行动 take action
10. 使用公共交通 use public transportation

答案： 1. hear of 2. cut off 3. so far
4. be harmful to 5. not only...but also...
6. bring danger to 7. the number of
8. no longer 9.take action
10.use public transportation

Ⅱ. 完成句子。
根据汉语意思补全英语句子，每空一词。
11. 没有鱼鳍，鲨鱼不再能游动。
Without a fin, a shark can no longer swim.
12. 鲨鱼处在海洋生态系统食物链的顶端。
Sharks are at the top of the food chain in the ocean’s ecosystem.
13. 到目前为止，没有科学研究表明鱼翅对人体健康有益。
So far, no scientific studies have shown that shark fins are good for health.
14. 你参加过环卫工程吗？
Have you ever taken part in an environmental project?
15. 采取行动吧，我们不能再等待了！
We can't afford to wait any longer to take action!

答案： 11. Without;no longer
12. at the top of;ocean’s ecosystem
13. So far;have shown 14. taken part in
15. afford to wait any longer

Ⅲ. 模仿造句。
16. This is not only cruel, but also harmful to the environment. (not only... but also...)
造句：那个地方不但很冷，而且冬天还经常下雪。
The place is not only cold, but it also often snows in winter.
17. We can't afford to pay for such a travel plan! (can't afford to)
造句：今年夏天我们没有足够的钱出国。
We can’t afford to go abroad this summer.
18. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. (the number of)
造句：这个班级的学生人数是50。
The number of students in this class is 50.
19. You can save electricity by turning off the lights. (by doing)
造句：通过向老师请教我理解了这个句子。
I understood this sentence by asking my/the teacher for help.
20. I think it's a great idea that you now have to pay for plastic bags in some stores. (pay for)
造句：他将为自己所做的一切付出代价。
He’ll pay for what he has done.
21. You can use reusable bags instead of plastic bags. (instead)
造句：我们应该走路或者骑自行车而不是开车上学。
We should ride our bikes or walk to school instead of driving.

答案： 16. The place is not only cold, but it also often snows in winter.
17. We can’t afford to go abroad this summer.
18. The number of students in this class is 50.
19. I understood this sentence by asking my/the teacher for help.
20. He’ll pay for what he has done.
21. We should ride our bikes or walk to school instead of driving.