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【单选题】
集料的表观密度是指单位材料实体体积和(B)下的质量。A.
全部孔隙体积
B.
闭口孔隙体积
C.
开口孔隙体积
D.
集料间隙体积
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【简答题】（ ）是构成人体的基本结构和功能单位。
【单选题】If you want to control the front wheel over various kinds of road conditions, you need learn to use_______.
A.
steering gear
B.
starting system
C.
steering system
D.
final drive
【简答题】读桩承台施工图纸,完成以下训练:
【单选题】Interviewer: Let me see if I understood you. You mean that you can work extra hours if needed, right? Interviewee: ______
A.
Yes. No matter what you say.
B.
Yes. Thank you for your clarification.
C.
Yes. You sure understand me.
D.
Yes. Absolutely.
【简答题】构成人体的基本结构和功能单位的是____。
【简答题】First, welcome to West Lake! I am glad to serve all of you. Today you come here, you are sure to be attracted by its beauty. Hangzhou is famous for West Lake which is a famous fresh water lake, It lie...
【单选题】If you come to Hangzhou, you shouldn’t miss the show Impression West Lake! It is created by the famous director Zhang Yimou, and the actors’ performance __________on the water of the West Lake.
A.
will be shown
B.
showed
C.
is shown
D.
is showing
【单选题】You _________be too cautious when you are driving especially on the freeway.
A.
can' t
B.
needn' t
C.
mustn't
D.
won't
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