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【单选题】
简单立方晶体中原子的配位数是( )。A.
12
B.
6
C.
8
D.
10
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举一反三
【简答题】曲柄连杆机构是发动机实现工作循环完成能量转换的主要运动机构。它由机体组和________。
【单选题】The book ______forty maps, ______three of Great Britain.A．contains; includesB．is containing; inc
A.
25. The book ______forty maps, ______three of Great Britain. A．contains; includes
B.
is containing; including
C.
includes; contains
D.
contains; including
【单选题】Every boy and every girl as well as some tachers who____to visit the museum____asked to be at the school gate before 6: 30 in the moming. A. are; are A.is; is C. are; is D. is: are
A.
1
B.
2
C.
3
D.
4
【单选题】The sick boy _________to hospital by the police yesterday．A．is takenB．was takenC． t
A.
25． The sick boy _________to hospital by the police yesterday． A．is taken
B.
was taken
C.
takes
D.
took
【单选题】某病人绝经6年，近来有阴道少量流血，刮宫时发现：刮出物为沉渣样组织，可能的诊断为（ ）。
A.
宫颈癌
B.
子宫内膜癌
C.
子宫肌瘤
D.
附件囊肿
E.
老年性阴道炎
【简答题】听音，选择正确的答语。 ( ) 1. A. Christmas is a special holiday. B. Christmas is December 25. ( ) 2. A. She is opening the present. B. She is going to open the present. ( ) 3. A. It's a gift. B. It's...
【简答题】曲柄连杆机构是发动机实现工作循环完成能量转换的主要运动机构。它由机体组和________。 二、单项选择____
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