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【单选题】
离心泵发生汽蚀现象时,可采用的有效措施不包括_____。A.
关小排出阀
B.
开大排出阀
C.
降低吸入液体温度
D.
降低转速
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举一反三
【单选题】From the interview, we learn that Tom was ______.
A.
very ambitious and calculating
B.
quite experienced in dealing with kids
C.
anxious to start up his career in a small cottage
D.
able to do some gardening
【单选题】The situation wasn’t very good, but I ________ many worse situations.
A.
was experiencing
B.
experienced
C.
would experience
D.
had experienced
【简答题】举手投足怎样才是“站有站相，坐有坐相”？
【简答题】5).He was very experienced in selling optical products. He was turned down by that spectacles company. a. He was very experienced in selling optical products, ________he was turned down by that ...
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