() 18. —of volunteers will be needed for 2017 International Robot Competition in Shanghai. —Let's go and them.

   A. rhousandws;join   B. Thousand;be a member of

   C. Three thousand;take part in   D. Thousands;join in

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9. The tool is already (廣泛地) in use because it's very useful.

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8. The situation is (完全地) out of control now.

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() 6. I didn't know you took a bus to School.

    oh,I take a bus,but it is snowing today.

  A. hardly   B. never   C. sometimes   D. usually

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() 13. The teenager plays the piano , if not better than,Mike.

   A. as well   B. as well as   C. so well   D. so well as

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(B) The weather is getting hotter and you^l be getting thirstier playing basketball or riding home from school. A cold drink may be just the thing. But be careful with what you pour down your throat. Something that looks cool may not be good for your health.

There are plenty of so-called energy drinks on the market. Most of them have an attractive colour and a cool name. Their nutrition (營養(yǎng)) list also has various things from vitamins to ginseng (人參) . Sounds great!

But after a careful check you may find that most energy drinks have high levels of caffeine (咖啡因) . These drinks are aimed at young people,students,busy people and sports players.

Makers sometimes say their drinks make you better at sports and can keep you awake.

But be careful not to drink too much.

Caffeine raises your heartbeat (心跳） Because of this,the International Olympic Committee has limited (限制) its use. The amount of caffeine in most energy drinks is at least as high as in a cup of strong coffee or strong tea.

There are potential (潛在的） health dangers connected with energy drinks. Just one can of energy drink can make you nervous,have difficulty sleeping and can even cause heart attacks.

“Teenagers should be discouraged from taking drinks with a lot of caffeine in them”’ an expert from the Australia Nutrition Foundation said.

() 6. The teenagers like drinking energy drinks because of the following EXCEPT that .

   A. they have an attractive colour and a cool name

   B. they have high levels of caffeine

   C. they can keep them awake and better at sports

   D. they are said to have various nutrition

() 7. The teenagers should not drink too many energy drinks. Which of the following should be the bevSt reason for it?

   A. The drinks can cause heart attacks.

   B. The drinks make them nervous.

   C. The drinks make them have difficulty in sleeping.

   D. The drinks have potential health dangers.

() 8. The underlined word “discouraged” in the last paragraph can be replaced (替換) by .

   A. dropped   B. stopped   C. helped   D. asked

() 9. From the passage we can infer (推斷) that .

   A. advertisements play an important part in getting people to buy the goods

   B. the amount of caffeine in most energy drinks is lower than that in a cup of strong coffee

   C. Australian teenagers drink more energy drinks than those in other countries

   D. the energy drinks are aimed at young people

() 10. Which of the following can be the best title of the passage?

   A. What's the Use of Energy Drinks? B. Who can Drink Energy Drinks?

   C. What's That in Energy Drinks? D. Why Can’t We Buy Energy Drinks?

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7. The train stopped suddenly and all the (乘客) were worried.

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5. In some countries,   (點頭) your head doesn’t mean “Yes”.

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2. When we (到達(dá)) in America,our new teacher was ready to show us around this city.

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