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[主观题]

Scientists didn’t know much about lung cancer _____.

A、before long

B、until recently

C、long before

D、in the past few years

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更多“Scientists didn’t know much ab…”相关的问题

第1题

Scientists didn't know much about lung cancer _____.

A.before long

B.until recently

C.long before

D.in the past

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第2题

Scientists are certain that the sea level____rise in the next 200 years.A. is going t

Scientists are certain that the sea level____rise in the next 200 years.

A. is going to

B. may

C. will

D. should

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第3题

I didn’t buy the book because I didn’t have()money on me.

I didn’t buy the book because I didn’t have（)money on me.

A.no

B.any

C.some

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第4题

I didn't want() to become suspicious.

I didn't want（) to become suspicious.

A.anybody

B.anyone

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第5题

The mason ______ I didn't do this exercise is I didn't know how to do it.A．why...becauseB．

The mason ______ I didn't do this exercise is I didn't know how to do it.

A．why...because

B．why...that

C．for...that

D．that...because

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第6题

弯曲应力的单位是（)。

A.Pa

B.kg

C.t

D.kN

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第7题

A: I didn’t have time for lunch today. B: I didn’t().

A: I didn’t have time for lunch today. B: I didn’t（).

A.neither

B.too

C.either

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第8题

Mary didn’t turn()until the train left.

Mary didn’t turn（)until the train left.

A.out

B.in

C.up

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第9题

There used to be a petrol station near the park, _____？

A.didn’t it

B.doesn’t there

C.usedn’t it

D.didn’t there

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第10题

It's a pity that he didn't come earlier．

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第11题

We didn' t have enough staff _______________ the job: A. to B. for C .with

We didn' t have enough staff _______________ the job:

A. to

B. for

C .with

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