pollute million use but we keep another healt...

The earth is our home; we must take care of it. This means that it is necessary and important 1.________the land, air and water clean. However, pollution is beginning to threaten(威胁) our2.__________, happiness and our life ——we see it, smell it taste it and discuss it.

Men began to3.________the earth a long time ago. When land was 4.________up or water became dirty, men had to move to 5.________places. At first, there weren’t so many people then and there were less trash. All the dirty things could be absorbed (吸收)by nature. 6.______now this is no longer true. The increase of population and the development 7.________ industry have changed that. Men are still polluting the environment.

later, 8.________of people have realized the9.________of pollution. A lot of people are now working hard to protec10.________ environment. Everyone should try their best to make our environment better and better.

九年级英语选词填空中等难度题查看答案及解析

Mr. Wang _______drive to work, but now he _______there by bike to keep healthy.

A. used to; is used to going

B.　 used to; is used to go

C. was used to; is used to going

D.　 was used to; is used to go

九年级英语单项填空中等难度题查看答案及解析

Mr. Wang _______drive to work, but now he _______there by bike to keep healthy.

A．used to; is used to going                  B．used to; is used to go

C．was used to; is used to going               D．was used to; is used to go

九年级英语单项填空中等难度题查看答案及解析

Mr. Wang _______drive to work, but now he _______there by bike to keep healthy.

A. used to； is used to going

B.　 used to； is used to go

C. was used to； is used to going

D.　 was used to； is used to go

九年级英语单项填空中等难度题查看答案及解析

Riding a bike is a kind of sport that uses much _____, but it keeps people healthy.

A.trouble B.stress C.energy D.support

九年级英语单选题困难题查看答案及解析

Riding a bike is a kind of sport that uses much _____, but it keeps people healthy.

A. trouble　　 B. stress　　 C. energy　　 D. support

九年级英语单选题困难题查看答案及解析

—How does Jack usually go to school?

--He_____a bike, but now he_____there to keep healthy.

A. used to riding,  is used to walk            B. was used to riding,  is used to walking

C. used to ride,    is used to walking         D. used to ride,   is used to walk

九年级英语单项填空中等难度题查看答案及解析

—What's the ________of traveling by bike?

—It can save money，keep healthy and not pollute the air.

A. purpose　　 B. suggestions　　 C. advantages

九年级英语单选题简单题查看答案及解析

—What's the ________of traveling by bike?

—It can save money，keep us healthy and does not pollute the air.

A. purpose　　 B. suggestion

C. advantage　　 D. knowledge

九年级英语单选题简单题查看答案及解析

John, ______, you should eat less meat but more vegetables.

A. keep healthy  B. keeps healthy  C.  keeping healthy  D. to keep healthy

九年级英语单项填空中等难度题查看答案及解析