题目内容

开展车速调查时,设备应尽量隐蔽和尽量避免群众围观。

A. 对
B. 错

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Ifwe______,wecanrealizetheprogresswehavemade.

A. turn back
B.look back
C. answer back
D. move back

The lovely ( )sits on her back.

A. ducklings
B. duckling
C. swans

the Chelsea Flower Show has a tradition___back 111 years.

A.dated
B.to date
C. dating
D. which is dated

Our city has a long history;the large building____in the front of our school____back to 1000 years ago.

A. stands;dating
B. standing;dates

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