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【单选题】
每千人成本是指( )A.
按点击计费的广告
B.
按时长计费的广告
C.
按效果计费的广告
D.
按成交计费的广告
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皮皮学刷刷变学霸
举一反三
【单选题】As a child I was slave to my impulses now I am slave to my habits, as are ail grown men. I have surrendered my free will to the years of accumulated habits and the past deeds of my life have already m...
A.
he was enslaved by the impulsive action
B.
the good habits had been accumulated in the past years
C.
to formulate good habits in the future
D.
to distinguish good habits from bad habits
【简答题】说明误差与偏差的关系?
【单选题】When I was a child I ______ go swimming in the lake.
A.
used to
B.
am used to
C.
use to
D.
was used
【简答题】I am a strong believer that if a child is raised with approval, he learns to love himself and will be successful in his own way. Several weeks ago，I was doing homework with my son in the third grade a...
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