题目内容
2.空气污染对我们的健康有害The air pollution is harmful to our health.-分析 The air pollution is harmful to our health.
解答 答案:The air pollution is harmful to our health.结合句意这里是表示客观事实用一般现在时,表示对…有害用be harmful to…主语是the air pllution三单,故is,我们的健康our health,故答案是The air pollution is harmful to our health.
点评 be harmful for后面接名词,多是人或物,如Eating junk food is harmful for you.
be harmful to 后面接动词,如It is harmful to eat junk food.
练习册系列答案
相关题目
17.I didn't know _______( )
| A. | where did he use to live | B. | where did he use to living | ||
| C. | where he used to live | D. | where he used to living |
14.--Jack said he would have to stay up late to prepare for his geography project tonight.
---But he---Mr Zhao said we could hand it in next week.( )
---But he---Mr Zhao said we could hand it in next week.( )
| A. | mustn't | B. | shouldn't | C. | needn't | D. | couldn't |
11.-Lucy,could you help me find out __________ with my smart phone?
-Ok,I'm coming.( )
-Ok,I'm coming.( )
| A. | what the matter is | B. | what the matter was | ||
| C. | what was wrong | D. | what is the matter |
13.I've really landed myself in the soup this time.I have broken Miss Li's computer.( )
| A. | in danger | B. | in trouble | C. | in silence | D. | in public |