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【简答题】
天然宝石具备 ( ) 、( )和( )三种条件。( ) 是宝石价值的首要条件。
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参考答案:
举一反三
【判断题】水泥砂浆属于水硬性材料,强度高,适合砌筑处于潮湿环境下的砌体 ( )
A.
正确
B.
错误
【简答题】动量方程是输出项减去输入项,( )颠倒。
【单选题】What did the young lady mean by 'bear my company' in Paragraph 1 ?
A.
Stay with my friends.
B.
Stay with me.
C.
Talk with me about my business.
D.
Have a look around my business.
【单选题】I expressed my______ to my colleagues at being unfairly dismissed by our company.
A.
indignation
B.
fury
C.
rage
D.
wrath
【单选题】Whether he comes or not__________matter too much.
A.
doesn't
B.
don't
C.
didn't
D.
haven't
【单选题】当导体进入超导状态,则
A.
导体中可通过的电流为零
B.
导体通过电流后,会发热
C.
导体中可通过的电流很大,且不会发热
D.
导体中的电阻很大
【判断题】动量方程是输入项减去输出项,不可颠倒。
A.
正确
B.
错误
【单选题】特快旅客列车不准加挂货车。其他旅客列车原则上不准编挂货车,在特殊情况下,经路局或铁道部准许,方可在列车后部加挂,但不得超过()辆。
A.
2
B.
3
C.
4
D.
1
【简答题】-- Would you like to work in my company? -- Sorry , I’d rather ____ here , but I’d rather my brother _____ to your company .A. staying ;  goes B. to stay ; to go C. stay ;      went D. to stay ; goes
【简答题】欲配制25%葡萄糖注射液500ml,计算需50%和5%葡萄糖注射液各多少毫升?
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