Itiswellknowntousallthatalotof

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更新 2022-09-03
科目英语
题型单选题
难度较易
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It is well known to us all that a lot of rivers _______by factories.

A．are polluting	B．have been polluting
C．are being polluting	D．are being polluted

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相关试题

____ a computer works is a question ___ not everyone cad answer quickly.

A．That；which

B．How；that

C．What；which

D．When；that

题型：未知
难度：未知

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All passengers ______ are expected to fasten the seat belts when the plane takes off and lands．

A．on aboard

B．on board

C．on the board

D．on boards

题型：未知
难度：未知

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Yellow Stone National Park, ________in 1872, _________over three million visitors every year, is America’s first and foremost National Park．

A．establishing, attracted	B．having established, attracted
C．established, attracting	D．being established, attracting

题型：未知
难度：未知

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Without this year’s Nobel Prize in physics winner Charles Kao’s idea of fibrotic（光纤的）communications, the “modern” telephone and Internet _________impossible．

A．will be

B．were to be

C．should be

D．would be

题型：未知
难度：未知

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–Do you need any help, Lucy?
-Yes. The job is ________ I could do myself.

A．less than

B．more than

C．no more than

D．not more than

题型：未知
难度：未知

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