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【单选题】

When he suddenly（） up the subject of genetic engineering, there was an embarrassed silence.

A、took

B、brought

C、showed

D、came

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更多“When he suddenly（） up the subject of genetic engineering, there was an embarrassed silence.”相关的问题

第1题

[单选题] （）at the railway station when it began to rain.

A、Hardly had he arrived B、Hardly he had arrived C、No sooner did he arrive D、No sooner arrived he

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第2题

[单选题] The computer system（）suddenly while he was searching for information on the Internet.

A、broke down B、broke out C、broke up D、broke in

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第3题

[单选题] When does auxiliary burner of incinerator put into operation? （） Ⅰ.tart incinerator when it is cold Ⅱ.he sludge for dealing with is little Ⅲ.he sludge for dealing with is large Ⅳ.he water and impurity in sludge are too much Ⅴ.he temperature in incinerator is low Ⅵ.ealing with little solid rubbish

A、Ⅰ+Ⅱ+Ⅲ+Ⅴ B、Ⅰ+Ⅱ+Ⅲ+Ⅳ C、Ⅰ+Ⅳ+Ⅴ+Ⅵ D、Ⅰ+Ⅱ+Ⅲ+Ⅵ

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第4题

[] （）he saw his mother in person did he apologized.

A、A.Only B、B.Until C、C.Only when D、D.Only until

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第5题

[单选题] We were all surprised when he made it clear that he（）office soon.

A、leaves B、would leave C、left D、had left

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第6题

[单选题] Hardly had the engine started （） the temperature of the cooling water suddenly rose up to 40℃.

A、then B、than C、when D、after

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第7题

[单选题] （）did he know what had happened during the two months when he was away

A、A little B、Little C、A few D、Few

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第8题

[单选题] （）is designed to send an automatic distress alert when a ship sinks suddenly.

A、Lifeboat B、A survival craft C、An EPIRB D、A SART

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第9题

[单选题] I was talking with my mother on the phone when we were（）suddenly.

A、cut down B、cut off C、cut across D、cut back

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