. New mineral resources may be discovered during the forthcoming Antarctic _____

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. New mineral resources may be discovered during the forthcoming Antarctic _____.

A．excursion

B．execution

C．extraction

D．expedition

答案

解析

考查名词辨析。句意“新的矿产资源在即将到来的南极勘探期间，可能会被发现。”A“短途旅行”；B“执行，贯彻”；C“提取”；D“考察，勘探”。故选D。

举一反三

. Probability is the mathematical study of the _____ of an event’s occurrence.

A．desire

B．likelihood

C．result

D．effect

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. The rocks are very big with _____ of colors on them.

A．bands

B．marks

C．rails

D．shapes

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. There are three basic ways of _____ language to writing, and all known graphic systems use one or a combination of these.

A．committing

B．attaching

C．comparing

D．relating

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. I asked the tailor to make a small _____ to my trousers because they were too long.

A．change

B．variation

C．revision

D．alteration

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. It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.

A．process

B．attention

C．measure

D．part

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