搜题

【单选题】

Be careful（）to mix them up.

A、don't

B、won't

C、not

D、must not

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更多“Be careful（）to mix them up.”相关的问题

第1题

[单选题] （） to damage the protective coating on the inner side of the shell.

A、Care to be not taken B、Care not to be taken C、Care to be taken not D、Not care to be taken

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第2题

[单选题] Be careful（）mix the inflammable cargo with that kind.

A、do not B、will not C、shall not D、not to

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第3题

[单选题] Be careful（）mix the inflammable cargo with that kind.

A、do not B、will not C、shall not D、not to

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第4题

[单选题] To avoid scavenge fires occurring the engine timing and equipment maintenance （）.

A、should be correctly carried out B、should correctly be taken place C、should carded with care D、must to carry out with great care

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第5题

[单选题] To avoid scavenge fires occurring the engine timing and equipment maintenance （）.

A、should be correctly carried out B、should correctly be taken place C、should carried with care D、must to carry out with great care

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第6题

[单选题] We can hardly accept any marks（）or damage（）the cargo.

A、mixed/to B、mixing/to C、being mixed/for D、being mixed/of

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第7题

[单选题] The fuel oil pressure and forced draught pressure should be matched to ensure good combustion with a full steady flameIn the sentence the word “match” means （）

A、join with B、mix C、be equal to D、be constant

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第8题

[单选题] Which substance is NOT considered to be Oil under the pollution prevention regulations? （）

A、Petroleum and fuel oil B、Sludge C、Oil mixed with dredge spoil D、Oil refuse and oil mixed with wastes

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第9题

[单选题] When a crankshaft （） outside the engine, it should be carefully supported in a manner which will avoid imposing high bending moments on it.

A、has to be handled B、may be handled C、has being handled D、will be handling

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