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【简答题】
水泵的基本性能有：流量、扬程、（）、效率、转速、允许吸上真空高度等。
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皮皮学刷刷变学霸
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【简答题】earn[ə:n]
【单选题】Scott McDonald fired one of his employees because the employee
A.
didn't accomplish his job well.
B.
drove too fast.
C.
covered up his illness.
D.
cheated when he asked for leave.
【简答题】earn[ə:n]
【简答题】John Keats wrote a number of well-known odes. In one of his famous odes he declares his idea of beauty. He claims that beauty is truth and truth is beauty. The title of this famous ode is ______.
【简答题】施恩公司的错误决策 小施恩是创始人老施恩的长孙，1979年他接管施恩公司控制权，那时，问题已经出现，而糟糕的计划和决策使已有的问题雪上加霜。在20世纪70年代，施恩公司不断投资于他的强大的零售分销网络和品牌，以便主宰10挡变速自行车市场。但是进入80年代，市场转移了，山地车取代了10挡变速车成为销量最大的车型，并且轻型的、高技术的、外国生产自行车在成年自行车爱好者中日益普及。施恩公司错过了这两次市...
【单选题】I have read one of his novels______a few of his plays.
A.
but
B.
for
C.
as well as
D.
or
【单选题】W h ich one is not the reason for studying abroad?
A.
Learning language
B.
Populating seterotypes
C.
Gaining perspectives
D.
Broadening horizons
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