搜题

【单选题】

The atmosphere in a tank is too lean if it is（）.

A、incapable of supporting combustion because the hydrocarbon content is below the LFL (Lower Flammable Limit)

B、capable of supporting combustion because the hydrocarbon content is above the UFL (Upper Flammable Limit)

C、capable of supporting a fire once started

D、not safe for ballasting

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第1题

[单选题] The agent has probably already handed over you the stowage plan，（）.

A、isn't he B、doesn't he C、hasn't he D、didn't he

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第2题

[单选题] The agent has probably already handed over you the stowage plan,（）?

A、isn't he B、doesn't he C、hasn't he D、didn't he

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第3题

[单选题] Johnson seldom tells his parents where he goes, （）?

A、doesn’t he B、does he C、has he D、hasn’t he

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第4题

[单选题] John never comes to school late,（）?

A、does he B、doesn't he C、is he D、isn't he

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第5题

[单选题] I don't suppose he will attend the meeting,（）

A、won’t he B、will he C、do I D、don’t I

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第6题

[单选题] I don't think he will be back in an hour,（）?

A、doI B、won‘t he C、don‘t I D、will he

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第7题

[单选题] Which choice is wrong?（）

A、He hasn’t any tickets for the football match. B、He hasn’t got any tickets for the football match. C、He doesn’t has any tickets for the football match.

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第8题

[单选题] He（）in London. He（）in New York.

A、doesn’t live；live B、don’t live ；lives C、doesn’t live； lives

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第9题

[] Which choice is wrong?（）

A、A.He hasn’t any tickets for the football match. B、B.He hasn’t got any tickets for the football match. C、C.He doesn’t has any tickets for the football match.

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第10题

[单选题] 按电缆的（），敷设（），工作条件来确定电缆型号。

A、特性；位置 B、粗细；位置 C、长短；&#65279;&#65279;&#65279;位置

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