题目内容

尿中酮体包括

A. 乙醇
B. 丁醇
C. 丙酮
D. 乙酰乙酸
E. β-羟丁酸

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Cross the Fifth Avenue, and you will find the cafe_____ the right.

A. on
B. in
C. from
D. of

Remember to look left and right when you go_____ the street.

A. over
B. across
C. cross
D. past

The post office is_____ the gas station_____ the park.

A. on, of
B. in, of
C. among, and
D. between, and

- Mike, what's the date today?- It's December 20th. Christmas is_____!

A. on the corner
B. in the corner
C. around the corner
D. of the corner

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