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【单选题】
在安装自动调节阀时,通常再并联一截止阀,其作用是( )。A.
保持加热介质经常通过
B.
没有用,可不设置
C.
检修时临时使用
D.
增加流通量
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【简答题】纵观亚马逊发展历程,你 认为亚马逊应该回归到刚创立的时候一样,只做诸如图书、音像等少量核心业务的专业网上零售店还是应该走网上大超市的扩张之路 ?如果你是老板请你写一份电商营销策划书。(一千字左右)
【单选题】Bowing to others is considered ______ but bowing to difficulty is not considered a good quality [ ]
A.
to be a good manner
B.
a good manners
C.
to be good manners
D.
being good manners
【单选题】下面两句话,那句更适合做主题句?为什么? Money is considered to be an important thing. Money is considered by some people to be the most powerful and important thing in life.
A.
Money is considered to be an important thing.
B.
Money is considered by some people to be the most powerful and important thing in life.
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