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【单选题】
二通调速阀的结构,它是由一定差( )和一节流阀( )而成。A.
溢流阀，并联
B.
溢流阀，串联
C.
减压阀，串联
D.
减压阀，并联
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举一反三
【单选题】Eighteenth-century statesmen were totally convinced that war could be used as ______ settling disputes.
A.
a mean to
B.
a means for
C.
some means for
D.
meanses for
【单选题】With a lot of problem ________, the newly – elected president is having a hard time.
A.
settled
B.
settling
C.
to settle
D.
being settled
【单选题】After a few rounds of talks, both sides regarded the territory dispute______.
A.
being settled
B.
to be settled
C.
had settled
D.
as settled
【单选题】No sooner______ themselves in their seats in the hall than the speaker began his speech.
A.
they settled
B.
had they settled
C.
did they settle
D.
they had settled
【简答题】炎症所致血管扩张、血流量增多称为 ;炎症时组织间液增多称为 ;白细胞从血管内渗出到组织间隙中的现象称为 。
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