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【单选题】
在百度搜索引擎左侧结果列表中出现推广二字,说明该结果链接()。A.
指向的网页针对百度搜索引擎最为优化
B.
指向的网站购买了百度的关键词排名
C.
指向的网页最符合用户的需求
D.
指向的网站是自然优化的结果
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】There were two boys in the lab, did the experiment successfully. A. theclever of whom B. thecleverer or whom C. theclever of them D. themore clever of them
【简答题】expe_ience
【简答题】睡时汗出，醒则汗止者，称（）|经常日间汗出，活动后尤甚者，称（）A. 自汗B. 盗汗C. 绝汗D. 战汗E. 头汗
【简答题】In preparing scientific reports of laboratory experiments, a student should _____ his findings in logical order and clear language. (A) furnish (B) propose (C) raise (D) present
【单选题】It was in the lab __________was in the charge of Professor Smith __________they carried out the experiment.
A.
where；that
B.
which；where
C.
that；where
D.
which；that
【简答题】Theauthorimpliesthattheuseofmobilephonesinsuchplacesasmuseumsshouldbe. A)limited B)expected C)discouraged D)recommended
【单选题】设y=f(sin2x), 则y'=( )。
A.
f'(sin2x)sin 2s
B.
f'(sin2x)
C.
2sin xf'(sin2x)
D.
2f'(sin2x)
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