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【单选题】
在一昼夜中体温最高的时间是( )。A.
2：00—6：00
B.
7：00—9：00
C.
10：00 —12：00
D.
13：00—1 8：00
E.
1 9：00—2：00
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举一反三
【单选题】函数 f(z)=u+iv 在区域 D 内可导的充要条件是( )
A.
u, v 在点 D 内有偏导数
B.
D 内存在某点 z 0 ， f(z) 在点 z 0 处解析
C.
u, v 在 D 内满足 C-R 条件
D.
f(z) 在 D 内解析
【单选题】All of the following were the company's successful examples of advertising except that ______.
A.
the company distributed complimentary tickets for people to drink a glass of Coke free of change
B.
the company flew an airship over Washington DC with a huge Coke sign on its side
C.
the company sold the rights to bottle coke to franchisers in every part of the united States
D.
the company set up along Pennsylvania Railroad line huge animated signs that showed a young man drawing a glass of coke from a crockery urn
【单选题】The secretary and treasurer of our company____________the meeting.
A.
were to attend
B.
are to attend
C.
is attend
D.
is to attend
【简答题】导函数 在区域D内解析的充要条件是 。
【简答题】He said that they were looking forward (do) ______ business with my company.
【简答题】How did the Western Company deliver the goods? The goods were delivered by______.
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