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20世纪70年代,美国人发明了照相机和手机。
_______ _____ _____,Americans developed digital cameras and cellphones.
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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
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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._____
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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.
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