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【判断题】
搜索推广的特点是无展现不计费。A.
正确
B.
错误
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举一反三
【单选题】50°C时纯水的蒸气压为7.94kPa,若某甘油水溶液中含甘油摩尔分数为0.030,则水的蒸气压下降值为()。
A.
238.2Pa
B.
158.8Pa
C.
7781Pa
D.
7702Pa
【单选题】— We shall take the conditions into careful account ____ you have attached to this contract. — Thanks. Hope for further cooperation. [ ]
A.
as
B.
what
C.
where
D.
which
【单选题】—We will take the conditions into careful consideration _______ you have attached to this contract. —Thanks. Hope for further cooperation.
A.
as
B.
which
C.
where
D.
what
【单选题】. ---- we will take the conditions into careful consideration ______ you have attached to this contract. ---- Thanks. Wish our future cooperation pleasant.
A.
after
B.
when
C.
what
D.
which
【简答题】新建视图,查询订单信息表的:订单号,数量和订货日期,只查询出表的前4条记录。
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