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【判断题】
道岔应规定经常保持一线路开通的位置,这个位置称为定位。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】从早上9点开始输液,若使1000ml液体在5小时内滴完,输液速度为
A.
40滴/分 ;
B.
45滴/分 ;
C.
50滴/分 ;
D.
55滴/分 ;
E.
60滴/分
【简答题】What’s the bet between the two brothers?
【多选题】Why should a visitor to a large firm make an appointment in advance?
A.
Because executives are usually quite busy.
B.
Because executives often have to go out on business.
C.
Because executives often do not have much time for visitors.
D.
Because executives are often away from the office.
【单选题】— Li Na went out of the China Open in the first round. Why should she be defeated by such an unknown player? — Well, that's OK. She __________ enough after becoming the world champion. [ ]
A.
could not train
B.
must not have trained
C.
can not train
D.
may not have trained
【单选题】The two brothers are talented in maths, and both of them won the first prize of maths competition. [ ]
A.
similarly
B.
familiarly
C.
frequently
D.
correctly
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