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【判断题】
Don't ask anyone you don't know to take care of your aggage.A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】The company has witnessed some stores were shut down.
【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 author easily built a team for his company because ______.
A.
they were confident of the author and his business
B.
they were turned down by other companies
C.
they were underpaid at their previous jobs
D.
they were satisfied with the salaries in his company
【简答题】导函数 在区域D内解析的充要条件是 。
【单选题】下列关于普通抹面砂浆用途的说法不正确的是()
A.
用于砖墙的底层抹灰，多用石灰砂浆
B.
用于板条墙或板条顶棚的底层抹灰，多用混合砂浆或石灰砂浆
C.
混凝土墙、梁、柱、顶板等底层抹灰，多用混合砂浆、麻刀石灰浆或纸筋石灰浆
D.
在容易碰撞或潮湿的地方，不应采用水泥砂浆
【单选题】The author easily built a team for his company because______.
A.
they were underpaid at their previous jobs
B.
they were turned down by other companies
C.
they were confident of the author and his business
D.
they were satisfied with the salaries in his company
【简答题】How did the Western Company deliver the goods? The goods were delivered by______.
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