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【单选题】
目前( )是最主要的建筑材料A.
建筑陶瓷
B.
铝合金材料
C.
钢筋混凝土及预应力钢筋混凝土
D.
建筑塑料
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【简答题】nervou s,speech I when I give a .
【简答题】直流发电机电刷在几何中线上，如果磁路不饱和，这时电械反应是() A去磁 B助磁 C不去磁也不助磁
【简答题】When people get anxious, they tend to______.
【单选题】I tend to get nervous when _________ to make a presentation to a large group of people.
A.
being asked
B.
asked
C.
asking
D.
ask
【单选题】Children tend to get() (易怒的) and tearful when they are tired.
A.
instructional
B.
fractional
C.
fractious
D.
afraid
【简答题】In terms of marriage, most people tend to __________． [A] get married after careful consideration [B] be attracted by someone living in an alien land [C] be well-matched in social and economic status ...
【单选题】I tend to get nervous when ( ) to make a presentation to a large group of people.
A.
asking
B.
asked
C.
ask
【单选题】I tend to get nervous when ( ) to make a presentation to a large group of people.
A.
be asked
B.
asked
C.
asking
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