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【单选题】
正常情况下胎动每小时应为( )A.
1〜2次
B.
3〜5次
C.
12〜14次
D.
6〜8次
E.
9〜11次
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举一反三
【单选题】Her father often _______ to work on foot. But yesterday he ________ a bike.
A.
goes, rides
B.
goes, rode
C.
went, rides
D.
went, rode
【简答题】— ____ he be at home now ? — No . he ____ not . He ____ be in his office . He often goes home from work at almost twelve . A．Can ; can ; must B．Must ; need ; can C．May ; must ; must D．May ; need ; mus...
【单选题】—Does your father often live _________ you, Jim? —No, he isn't _________ home. He often goes to England. [ ]
A.
in; at
B.
with; at
C.
with; in
D.
with; /
【简答题】左偏刀是车刀从()向()方向进给的车刀,一般用来车削左向阶台和工件的外圆。
【简答题】解决死锁问题的方法有预防、避免、检测并接触等,一次性分配所有的资源采用的是其中的___方法,银行家算法采用的是其中的___方法
【单选题】He often _____ home at around four in the afternoon. [ ]
A.
go to
B.
go
C.
goes to
D.
goes
【简答题】Jim is 13 years old. He often goes to school on foot. Sometimes he goes to school by bike. He gets up at 6:30 in the morning. Tom is 14 years old. He usually goes to school by bike. He seldom goes to ...
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