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【单选题】
减压阀在常态时,阀口是的,进、出油口相通,( )在常态状态时,阀口是常闭的,进、出油口不通。
A.
.溢流阀
B.
.减压阀
C.
.顺序阀
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参考答案:
举一反三
【单选题】He insisted that the book _______ to the school library at once.
A.
return
B.
should return
C.
be returned
D.
would be returned
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【单选题】He insisted that the idea _____ out of work done by British scientists.
A.
evolved
B.
revolved
C.
involved
D.
resolved
查看完整题目与答案
【单选题】He insisted that the idea _______out of work done by British scientists.
A.
involved
B.
revolved
C.
evolved
D.
volved
查看完整题目与答案
【简答题】3读作:______,5是这个比的______项,3是这个比的______项,“:”叫做______,这个比的比值是______.
查看完整题目与答案
【单选题】He insisted that the company ________ immediate action to solve the problem. [ ]
A.
takes
B.
take
C.
taking
D.
took
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【简答题】≈90万,这个数最大是______,这个数最小是______. ≈100亿,这个数最大是______,这个数最小是______.
查看完整题目与答案
【简答题】在□7.□1的□里填上合适的数。 (1)使这个数最大,这个数是( )。 (2)使这个数最小,这个数是( )。 (3)使这个数最接近80,这个数是( )。
查看完整题目与答案
【单选题】He insisted that the idea ___out of work by British scientists.
A.
evovle
B.
evovled
C.
evovlement
D.
evovling
查看完整题目与答案
【判断题】一个标量场的性质则由它的梯度来表明。
A.
正确
B.
错误
查看完整题目与答案
【单选题】He insisted that the doctor at once.
A.
be sent for
B.
was sent for
C.
was going to be sent for
D.
must be sent for
查看完整题目与答案
相关题目:
【单选题】He insisted that the book _______ to the school library at once.
A.
return
B.
should return
C.
be returned
D.
would be returned
查看完整题目与答案
【单选题】He insisted that the idea _____ out of work done by British scientists.
A.
evolved
B.
revolved
C.
involved
D.
resolved
查看完整题目与答案
【单选题】He insisted that the idea _______out of work done by British scientists.
A.
involved
B.
revolved
C.
evolved
D.
volved
查看完整题目与答案
【简答题】3读作:______,5是这个比的______项,3是这个比的______项,“:”叫做______,这个比的比值是______.
查看完整题目与答案
【单选题】He insisted that the company ________ immediate action to solve the problem. [ ]
A.
takes
B.
take
C.
taking
D.
took
查看完整题目与答案
【简答题】≈90万,这个数最大是______,这个数最小是______. ≈100亿,这个数最大是______,这个数最小是______.
查看完整题目与答案
【简答题】在□7.□1的□里填上合适的数。 (1)使这个数最大,这个数是( )。 (2)使这个数最小,这个数是( )。 (3)使这个数最接近80,这个数是( )。
查看完整题目与答案
【单选题】He insisted that the idea ___out of work by British scientists.
A.
evovle
B.
evovled
C.
evovlement
D.
evovling
查看完整题目与答案
【判断题】一个标量场的性质则由它的梯度来表明。
A.
正确
B.
错误
查看完整题目与答案
【单选题】He insisted that the doctor at once.
A.
be sent for
B.
was sent for
C.
was going to be sent for
D.
must be sent for
查看完整题目与答案
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