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【单选题】
近年来智能手机市场的竞争日趋激烈。除传统手机制造商外，许多网络公司也纷纷斥资研发智能手机，并将内置其网络产品的智能手机推向市场。在下列选项中，能够解释“网络公司制造手机”原因的是（）。A.
生产智能手机的利润率高于其他行业
B.
网络公司的业务创新速度不断加快
C.
传统手机制造商生产智能手机能力不足
D.
网络公司延伸产业链提高综合竞争力
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【单选题】I have heard these sons and daughters say they never fully appreciated their parents _____ it was too late to tell them. [ ]
A.
as
B.
that
C.
until
D.
when
【简答题】\t1．该工程的计划工期为多少天关键线路包括哪些单项工程？\t2．上述事件中哪些应进行工期补偿，哪些应进行费用补偿？\t3．该工程实际工期为多少天应扣除或补偿乙方工程款多少万元？\t4．如果C、I工程共用一台起重机，网络图中应如何表示起重机正常在场时间为多少天由于甲方责任，在场时间增加多少天，如何处理如补偿费用，是否补偿机上工作人员费用？
【单选题】Aunt Liu ______two sons. They ______ students. [ ]
A.
have, are
B.
has, is
C.
has,are
【单选题】---Are the Smiths living in the house alone ? --- Yes, although they have three sons, _____ of them live with their parents.
A.
neither
B.
both
C.
all
D.
none
【简答题】上传乐曲《前进》视频
【简答题】How many sons does the man have?
【简答题】The reasons that parents prefer to have sons are to continue______, to help earn money for the family, and to support the parents in their old age.
【单选题】Besides Tom, ________ Crosettes have two other sons, __________ of whom are all interested in making model planes.
A.
不填; two
B.
不填; the two
C.
the, three
D.
the, the three
【简答题】The woman is very proud of her three sons, all of them have become a doctor.
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