As a rule, domestic servants doing odd jobs are paid ______. A．by the hour B．by

题型：不详难度：来源：

As a rule, domestic servants doing odd jobs are paid ______.

A．by the hour

B．by hour

C．by an hour

D．by hours

答案

解析

by与the连用,可用于表示“以……为标准或单位”。又如：by the week, by the year, by the thousand等。注意：按重量计应表达为by weight。

举一反三

On May 5, 2005, at ____ World Table Tennis Championship, Kong Linghui and Wang Hao won the gold medal in men’s couples with ____score of 4:1.

A．a; a

B．不填；the

C．a; 不填

D．the; a

题型：不详难度：| 查看答案

It is often said that____ teachers have ___ very easy life.

A．不填；不填

B．不填；a

C．the; 不填

D．the; a

题型：不详难度：| 查看答案

After dinner he gave Mr. Richardson _____ ride to ____ Capital Airport.

A．the; a

B．a; the

C．不填；a

D．不填; the

题型：不详难度：| 查看答案

This area experienced. ___ heaviest rainfall in _____month of May.

A. 不填; A. B. a; the C. the; the D. the ; a

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Some people fear that ________ air pollution may bring about changes in _______ weather around the world.

A．/; the

B．the; /

C．an; the

D．the; a

题型：不详难度：| 查看答案