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【单选题】
下列化合物中,不属于缩醛(酮)的是
A.
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B.
mg src="http://p.ananas.chaoxing.com/star3/origin/5fb1bad7b3b326141b7c992544c6bbc2.gif">
C.
mg src="http://p.ananas.chaoxing.com/star3/origin/ebdc522806c5a544c62d5ef2074d3adf.gif">
D.
mg src="http://p.ananas.chaoxing.com/star3/origin/1b4cb6217f0ee56d374f83fd66c42521.gif">
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举一反三
【单选题】Please ___________ the TV set, I want to watch the sports news.
A.
open
B.
turn on
C.
pour
D.
cut up
【单选题】Operator: ______ May I help you? David: I'd like to set up a telephone service, please.
A.
Speaking
B.
Hey
C.
Pacific Bell
D.
I'm John Smith
【简答题】Mr Lee, Mr Wang and Mr Chan drafted a sponsor agreement to set up a limited liability company with a total registered capital of RMB 600,000 yuan. Among other things, the agreement also stipulated the...
【判断题】宇宙背景辐射是由天文学家测量出来的。
A.
正确
B.
错误
【单选题】Operator:______. May I help you? David: I'd like to set up a telephone service, please.
A.
Speaking
B.
Hey
C.
Pacific Bell
D.
Urn John Smith
【单选题】When starting to set up the programme, the consultants expected that
A.
the size of the company might make it difficult to introduce changes.
B.
senior managers might be unwilling to change their work style.
C.
it might be difficult to change the company culture.
D.
some of the workforce might resist the changes.
【判断题】幼儿模仿与想象活动的开展,教师首先要考虑的不是让幼儿只会单一的模仿老师的动作,而是如何通过活动来启发幼儿的想象力,发挥幼儿的创造力。
A.
正确
B.
错误
【简答题】检查创伤患者时应注意哪些问题?
【简答题】检查创伤患者时应注意哪些问题?
【单选题】《桥规》规定,位于同一连接区段内的受拉钢筋搭接接头面积百分率,对于梁、板类构件,不宜大于( )。
A.
25%
B.
50%
C.
75%
D.
100%
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