The substance can be added to gasoline to ______ the speed of automobiles.A．qui

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The substance can be added to gasoline to ______ the speed of automobiles.

A．quicken

B．shorten

C．loosen

D．enlarge

答案

解析

Shorten v.缩短, (使)变短；loosen v.解开, 放松, 松开； enlarge v.扩大, 放大；词缀-en通常加在某些形容词的前面或后面，使其变成相应的动词，该词缀的含义是“使变得更加..”, 如：enlarge就是“使变得更大/扩大”

举一反三

We should never _____ ourselves with a little book knowledge only.

A．convince

B．satisfy

C．comfort

D．benefit

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I _____ give you this book today, but I forgot.

A．intended to

B．tended to

C．extended to

D．pretended to

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The room was ____with the simplest essentials, a bed, a chair, and a table.

A．supplied

B．gathered

C．grasped

D．made

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The local government decided to ____ the two firms into a big one.

A．motivate

B．combine

C．compact

D．nominate

题型：不详难度：| 查看答案

When does the next train _____?

A．pull up

B．pull down

C．pull out

D．pull in

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