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【单选题】
相对式机械接收部分所测得的结果是被测物体相对于参考体的()。
A.
相对振动
B.
绝对振动
C.
牵连振动
D.
以上都对
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参考答案:
举一反三
【多选题】3.22中华民族是一个历史悠久的伟大民族,在数千年的历史长河中,创造了十分辉煌的文明,为人类发展和进步做出了举世公认的重要贡献。下列能说明这一结论的历史事实主要有
A.
汉朝雄风,开辟古丝绸之路
B.
大唐盛世,古丝绸之路兴盛
C.
南宋,海上丝绸之路兴盛
D.
成杰思汗及其子孙开疆掠土,南宋灭亡
E.
明朝,郑和七下西洋
【单选题】Why _____you stay at home and play? [     ]
A.
isn't
B.
don't
C.
aren't
D.
doesn't
【单选题】-- You've agreed to go. So why aren't you getting ready?--But I ______ that you would have me start at once.
A.
don't realize
B.
didn't realize
C.
hadn't realized
D.
haven't realized
【单选题】“Since you’ve agreed to go, why aren’t you getting ready?” “But I ______ that you would have me start at once.”
A.
don’t realize
B.
didn’t realize
C.
hadn’t realized
D.
haven’t realized
【单选题】. -- You agreed to go ,so why aren't you getting ready? -- But I ________ that you ________ me to start at once.
A.
don't realize ;want
B.
don't realize ;wanted
C.
haven't realized ;want
D.
didn't realize; wanted
【判断题】不可分散的风险程度,通常用系数β来计量,作为整体的证券市场的β系数1。( )
A.
正确
B.
错误
【单选题】Why are you _______your lunch? Aren't you hungry?
A.
pigging out
B.
parting with
C.
picking at
D.
pointing out
【单选题】左心衰竭病人最早出现的临床表现是
A.
劳力性呼吸困难
B.
端坐呼吸
C.
咳嗽
D.
咳痰
E.
晕厥
【单选题】' Why aren' t you going swimming this afternoon?' ' Well, I didn' t want to go alone, and no one _____ with me.'
A.
went
B.
has gone
C.
had gone
D.
would go
【单选题】--You've agreed to go? So why aren't you getting ready? --But I ________ that you would have me start at once.
A.
don't realize
B.
hadn't realized
C.
didn't realize
D.
am not realizing
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