题目内容

The scientist (argued) that his discovery had changed the course of history.选择能代替括号里的选项。()

A. disagreed
B. quarrelled
C. persuaded
D. tried to prove

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Wise people ___ forming fixed opinions.

A. avoid
B. escape
C. refuse
D. reject

tight 选择能代替的选项。()

A. close
B. strict
C. firm
D. loose

He stood up and reached ____ the key.

A. to
B. about
C. with
D. for

When you are on a boat one shiny day, you have to watch out for the __ of the sun; it is

A.direction
B.intention
C.intensity
D.heat

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