- Nowadays China has about 25,000 kilometers of high-speed railways.- That's of the world's total.A. two third B. two-third C. two thirds D. two three C [解析] 句意:--现在中国有大约25000公里的高速铁路.--这是世界总量的三分之题目和参考答案——青夏教育精英家教网—

题目内容

— Nowadays China has about 25,000 kilometers of high-speed railways.

— That's of the world's total.

A. two third B. two-third C. two thirds D. two three

C 【解析】句意：——现在中国有大约25000公里的高速铁路。——这是世界总量的三分之二。一般情况下，表示分数时，分子要用基数词，分母要用序数词，如果分子大于1，表示分母的序数词要用复数形式，如：two thirds 三分之二。故答案为C。

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Some cool inventions are listed in Science Magazine's 25 best inventions of 2018. They are "making the world better, smarter and -- in some cases -- a little more fun", according to the magazine's website. Do you want to lean more about some of the inventions? Let's find out.

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● Social Robot

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B. Spark is controlled by using hand gestures.

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C. a wheel

D. the name of a magazine

3.What can we know about Jibo?

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B. It looks like a cartoon character.

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D. It has two eyes and a mouth.

4.What do the two inventions have in common?

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