相关习题
 0  92904  92912  92918  92922  92928  92930  92934  92940  92942  92948  92954  92958  92960  92964  92970  92972  92978  92982  92984  92988  92990  92994  92996  92998  92999  93000  93002  93003  93004  93006  93008  93012  93014  93018  93020  93024  93030  93032  93038  93042  93044  93048  93054  93060  93062  93068  93072  93074  93080  93084  93090  93098  159627 

科目: 来源: 题型:

你知道过去人们怎么利用水制造动力吗?
Do you know how people _____power_____water in the past?

查看答案和解析>>

科目: 来源: 题型:

20世纪70年代,美国人发明了照相机和手机。

_______ _____ _____,Americans developed digital cameras and cellphones.

查看答案和解析>>

科目: 来源: 题型:

  Is there a chocolatepowered racing car in the world? Hey! You've 1 too many children's books !But wait Now,there is 2 such a racing car in the world. A team at Warwick University have 3 it. The car,named the " World First Formula 3 racing car".

  The chocolate-powered racing car's engine uses waste from chocolate factories or vegetable oil as fuel(燃料).Well,can this car run very fast? Of course ! It can go 4 zero to 60 miles per hour in 2. 5 seconds ? and go as 5 as 135 miles per hour. 6 the racing car is running, it cleans itself and lets out oxygen.

  "It 7 us more than nine months to complete the racing car," said a World First team member. "The car is really  8 . You can find many of the car's parts at a farmer's market, or even in a litter bin because most of the materials are waste in most people's 9 It's fun."

  I think people all over the world can drive the car. As a result, the air will have less 10 gas , and human beings will be healthier.

(   ) 1.A. bought B.seen

      C. read D. watched

(   ) 2. A. hardly B. especially

         C. probably D. nearly

(   ) 3. A. opened B. discovered

          C. trained D. made

(   ) 4. A. in B. of

         C. from D. at

(   ) 5. A. deep B. fast

         C. slow D. high

(   ) 6. A. When B. Until

          C. Although    D. If
(   ) 7. A. paid B. cost

          C.took D. spent

(   ) 8. A. white B. green

         C. blue D. black

(   ) 9. A. mind B. hands

          C. eyes D. mouth

(   ) 10. A. harmful    B. useful
           C. fresh D. clean

查看答案和解析>>

科目: 来源: 题型:

A :Hi, Jane. Would you like to help protect the environment? 

B; 1

A ;Well ,first ,you can start by turning off the lights when you leave the room.

B :It's easy for me. Sometimes I turn off the lights without thinking. 2

A :Second, you can ride a bike or walk. 3

B :That will not only save energy and money but also reduce air pollution. What else? A: Try recycling paper.

B ;Mmm ,newspapers ,magazines ,mails ... 4

A:And last,take a bag when you go shopping. Don't use plastic bags.

 B:OK. 5 Let's do it together.


A.What's next?

B.Everyone should try to protect the environment.

C.I'd like to. But I don't know what I should do.

D.Don't take a bus or a taxi unless you have to.

E.We get a lot of paper at home.

1._____2._____3. _____4._____ 5._____

查看答案和解析>>

科目: 来源: 题型:

You need a _____  (向导)to show you the city.

查看答案和解析>>

科目: 来源: 题型:

There are plenty of resources in the_____(深的) ocean.

查看答案和解析>>

科目: 来源: 题型:

Michael rode into a tree and bent (使弯曲)the front _____(车轮)of his bicycle.

查看答案和解析>>

科目: 来源: 题型:

Kris and Karl come from Europe. They're_____(德国人).

查看答案和解析>>

科目: 来源: 题型:

 

Biogas ______(技术)has been used in my hometown for nearly three years.

查看答案和解析>>

科目: 来源: 题型:

购物时我们应该使用布袋而不使用塑料袋。

We should use cloth bags _______  ______plastic ones when we do the shopping.

查看答案和解析>>

同步练习册答案