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【判断题】
用卵石配制的混凝土拌合物流动性差,但硬化后的强度较高( )
A.
正确
B.
错误
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参考答案:
举一反三
【多选题】How should 110 operators respond when receiving a call?
A.
Take the initiative to help.
B.
Let P.R. ( person reporting) calm down.
C.
Get the key points of a case.
D.
Ask P.R. to contact the local police station for help.
【简答题】Why should you read the story of the opera before listening to it?A. Because you like reading. B. Because you will enjoy the opera better. C. Because the story is so interesting. D. Because it is sung...
【单选题】( )是在差速器与驱动轮之间传递动力的实心轴。
A.
凸轮轴
B.
传动轴
C.
曲轴
D.
半轴
【单选题】The idea has been widely accepted ______ Beijing Opera should be added to the basic education in China. [     ]
A.
which
B.
when
C.
that
D.
/
【简答题】建筑钢材按用途不同分为 、 和 3大类。
【单选题】对脂溶性的酸性化合物,提取时最经济的方法是 ( )
A.
加水煮沸,放冷沉淀
B.
加碱水煮沸,加酸沉淀
C.
用苯回流提取,回收溶剂
D.
乙醇回流提取,回收溶剂
【判断题】李白自幼受道家很大影响。()
A.
正确
B.
错误
【单选题】How much he should pay for the room with bathroom per night?
A.
$ 100.
B.
$ 110.
C.
$ 120.
D.
$ 130.
【单选题】轴用卡簧可以使用( )进行装配
A.
克丝钳
B.
台虎钳
C.
内卡簧钳
D.
外卡簧钳
【单选题】The idea has been widely accepted _____ Beijing Opera should be added to the basic education in China. [     ]
A.
/
B.
when
C.
which
D.
that
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