able, capable 和competent



词义 辨异 用法：

这组词都表示"有能力"做某事。

Able a.后接不定式，表示有体力或条件（包括有时间、金钱、权利等）做某事。常指应付一件事的能力。

Capable a.后接介词of，表示有能力、潜力或条件做某事。

Competent a.强调有足够的能力和资格，"能胜任的，职称的"。通常，后接介词for。



小测验：

1． The patient was but poorly __________sit up.



2． An electronic computer is ___________storing millions of bits of information.



3． The young lady is very ___________ CEO of the corporation.



4． We don't think he's quite ___________the project.



A) capable of B) competent as C) able to D) competent for



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abolish, cancel, recall, undo 和 withdraw



词义 辨异 用法：

这组词均有"撤消，取消"之意。

Abolish v.指取消、废除、废止法律、习惯、习俗、制度等。

Cancel v.指取消会议、计划、安排等。

Recall v.指取消、收回做出的决定或发布的命令，也指制造商主动召回有瑕疵的产品。

Undo v.指逆向进行以取消原先的操作、消除原来的影响，或恢复事物原先的面貌。

Withdraw v.指收回说过的话、作过的评论，取回存款，或撤消、撤回以不参加。



小测验：



1． Lincoln succeeded in ________slavery in United States.



2． The game was _________ because of bad weather.



3． He may try to _______ his earlier order, for he receives a better deal.



4． The Sony Corp. _________ part of its TVs manufactured last year for identified defects.



5． It's impossible to ________ the sufferings caused by the war.



6． I _________ what I had said.



A) recalled B) abolishing C) recall D) cancelled



E) abolished F) withdrew G) undo H) cancel



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答案：

part one:

1.C) able to

2.A) capable of

3.B) competent as

4.D) competent for

part two:

1.B) abolishing

2.D) cancelled

3.C) recall

4.A) recalled

5.G) undo

6.F) withdrew


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