It’sthefourthtimethatheavysmog

--- It’s the fourth time that heavy smog(雾霾) has hit the city this month.
--- It’s high time we _______ measures to fight air pollution.

A．will take

B．took

C．to take

D．taking

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．There’s no _____ from my bedroom window except fro some factory chimneys．

A．view

B．scenery

C．sight

D．look

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．—Have you thought of the topic for the composition?
— Not yet．I _____ it very carefully, but I haven’t decided．

A．will consider	B．have been considering
C．had considered	D．was considering

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The most important thing about cotton in history is _____ part that it played in ____ Industrial Revolution．

A．/; /

B．the; /

C．the; the

D．a; the

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_____ and happy, Tom stood up and accepted the prize．

A．Surprising

B．Surprised

C．Being surprised

D．To be surprised

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．People have planted a lot of trees and grass in order to ____ wind and sand in the desert．

A．hold down

B．hold up

C．hold back

D．hold out

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