皮皮学，免费搜题
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搜题
【单选题】
搜索引擎是一个为用户提供信息 “ 检索 ” 服务的 ( ) 。A.
网站
B.
协议
C.
硬件
D.
数据库
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
【单选题】Please ____ when they will leave for Shanghai. [ ]
A.
find
B.
look
C.
look for
D.
find out
【单选题】Enclosed please find our Sales Contract No.HN768 in duplicate. If you find everything () order, please sign and return one copy for our file.
A.
on
B.
of
C.
in
D.
at
【多选题】please find out the correct sentences.
A.
it is obvious that chin smoking will lead to smoker and nonsmokers suffering from a number of serious heart diseases.
B.
it is obvious that chin smoking will lead smoker and nonsmokers to suffer from a number of serious heart diseases.
C.
it is obvious that chin smoking will lead to smoker and nonsmokers suffer from a number of serious heart diseases.
D.
it is obvious that chin smoking will lead to a number of serious heart diseases .
【简答题】Please _______ when the train leaves. A. look b. find out C. find D. look for
【单选题】Can you please tell me where ______ the post office? [ ]
A.
to find
B.
can I find
C.
I can find out
D.
find
【简答题】enclosed please find
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