题目内容

David’s mother insisted that he ____before ten every night.

A. must go to bed
B. goes to bed
C. go to bed
D. has gone to bed

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小儿肺炎心衰治疗中,关于洋地黄应用的描述哪项不正确

A. 心率增快,超过160次/min时可考虑应用
B. 肝肋下迅速增大2cm以上时可考虑应用
C. 首次剂量给予口服1/2饱和量
D. 首次剂量给予1/3饱和量
E. 不与钙剂同时应用

Look in both directions to ____ you are safe before crossing the street.

A. enable
B. count out
C. inspect
D. make sure

He is ()on the 6 o'clock train on Friday evening.

A. travelling
B. travel
C. travels

She () the flat advertisement.

A. has a problem with
B. has a problem for
C. has a problem of

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