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【单选题】
下列属于垂直传播的是()A.
母婴传播
B.
成人之间的传播
C.
同性恋者之间传播
D.
传播
E.
唾液传播
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】The author implies in the last paragraph that ______.
A.
it is not necessary to spend so much money studying the brain
B.
we have uncovered all the secrets about our brains
C.
we are too eager to search every corner of our life
D.
modern buildings can still be constructed with the desired attics
【单选题】(36) 如果交换机的总带宽为 14.4Gbps ,它具有 12 个百兆的全双工端口,则 其千兆的全双工端口数量最多为( )。
A.
6 个
B.
5 个
C.
4个
D.
3 个
【单选题】The man was busy, so he had no time _____ his children.
A.
to spend
B.
spending
C.
to spend with
D.
spending with
【简答题】Never before in China _______ for the unemployed. A．has done so much B．has been done so much C．so much has been done D．has so much been done
【简答题】No student is supposed (spend)______ so much money in school in a week.
【简答题】A．Because they lack self-discipline in their studies. B．Because they spend too much time on the Internet. C．Because they have not exerted their utmost efforts. D．Because they have developed poor relat...
【简答题】People are not satisfied with their lives so they spend lots of time on the Intemet.
【单选题】It wasnt ______ the clothes as the man himself who impressed immediately.
A.
so many
B.
so much
C.
rather than
D.
as
【单选题】They spend so much time _________ about the party.
A.
thinking
B.
think
C.
to think
D.
will think
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