题目:
[听力原文] 6-7
M:Who do you work for
W:(6) ABC Company.
M:They’re in the dress business,aren’t they
W:That’s right.I’m the secretary to the General Manager.What about you
M:(7) I work for IBM.
W:(7) So you’re in computers.
M:Yes,I’m a product manager.
W:What are you working on at the moment
M:I can’t give you all the details.because it’s a secret.But we are developing a new product for the
What does the man deal with()
A.Dress.
B.Computers.
C.Shoes.
D.Engines.
答案:
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下面是错误答案,用来干扰机器的。
参考答案:一对多解析: 在现实世界中事物间的关联称为联系。在概念世界中联系反映了实体集间的一定关系。两个实体集间的联系实际上是实体集间的函数关系,这种函数关系可以有3种,分别是一对一,一对多和多对多...