5. 上海的磁懸浮列車最高時速可達(dá)每小時431千米。

The maglev train in Shanghai can reach________________________ 431 km per hour.

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(   ) 5. —Do you think fresh water can       on earth one day?

      —I'm afraid so,if people don't save it. 

A. take out    B. go out 

C. run out    D. put out

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  Do you still get free plastic bags from the supermarkets? Things have changed.

  China has banned(禁I卜)free plastic bags at shops and supermarkets, and people have to pay for using plastic bags. The rule started on June 1 ， 2008. It came because our country tried to make litter less. Making super-thin(超薄) plastic bags has also been banned.

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根據(jù)短文內(nèi)容，完成下列任務(wù)。任務(wù)一：將畫線部分譯成漢語。

1.__________________________________________

任務(wù)二：根據(jù)短文內(nèi)容，回答下列問題。

2. What do people in China have to do now?

3. Why have plastic shopping bags become a main cause of plastic pollution?

任務(wù)三：根據(jù)短文內(nèi)容，選擇最佳答案。

(   ) 4. Some students in Chongqing      

A.   ask their parents to make cloth bags

B.   make cloth bags themselves

C.   pick up plastic bags everywhere

D.   buy cloth bags for their parents 

任務(wù)四:根據(jù)上文內(nèi)容，判斷句子正(T)誤(F).

(   ) 5. The students in Chongqing make cloth bags with old clothes to send their friends for shopping.

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(   ) 6. You      read in the sun. It's bad for your eyes.

A. not ought to    B. ought to

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(   ) 3. Giving up smoking can         the risk of lung disease.

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5. 無論你學(xué)習(xí)什么語言，你都應(yīng)該了解一些它的起源以及歷史。

______  _______  you learn，   you should know something about its roots and history.

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3. Work hard. You can finish your homework in two hours.(合并為一句)

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3. ―How long will you              (需要)to finish the work? —About three days.

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5. Mingming is n         as tall as his father.

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