皮皮学，免费搜题
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搜题
【多选题】
用来判断影响网络广告价格因素的指标包括( )A.
印象和网页浏览率
B.
点击次数与点击率
C.
广告网络服务商的知名度
D.
旗帜广告的幅面大小与位置
E.
通过关键词检索显示的旗帜广告
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】It_______this way.
A.
is had to do
B.
is had to be done
C.
had to be done
D.
has to do
【单选题】—Tina had nothing for supper, _____ she? —_____. She had some bread and milk. [ ]
A.
had, Yes
B.
had, No
C.
did, Yes
D.
did, No
【单选题】They said at last that they ____ better start out at once. [ ]
A.
had had
B.
had
C.
had been
D.
was
【简答题】按测量误差的特点和性质分,可分为 、 和粗大误差三类。
【单选题】The little field _______ with seaweed some weeks before, and the weeds _______ and whitened on the grass. A. had manured, had rotten B. had manured, had rotted C. had been manured, had rotten D. had b...
A.
had manured, had rotten
B.
had manured, had rotted
C.
had been manured, had rotten
D.
had been manured, had rotted
【简答题】A．had talked to B．had seen C．had been with D．had visited
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