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【多选题】
采购价格信息搜集通常采用的方法包括( )A.
上游法
B.
下游法
C.
水平法
D.
市场调研法
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反馈参考答案：
举一反三
【单选题】If you don't answer your friends' letters, it seems to say that ______.
A.
your friends is too busy to read a letter
B.
your friend hates to receive a letter
C.
your friend is not worthy of your letter
D.
your friend should not have written you a letter
【单选题】- What will the weather be like tomorrow? - _________
A.
I don't like the weather at this time of the year.
B.
I don't know if it is going to rain tomorrow.
C.
Why don't you read the newspaper yourself?
D.
Let's listen to the weather report on the radio at ten.
【判断题】Read the passage and decide whether the following statements are True (T) or False (F). 对错判断 1. If you don't want to lose weight, there is no need to downsize the plate.
A.
正确
B.
错误
【多选题】关于抽象类的说法哪些是正确的
A.
如果父类是抽象类，则子类必须重写父类所有的抽象方法
B.
抽象类中可以有非抽象方法
C.
不能用抽象类去创建对象
D.
接口和抽象类是同一个概念
【单选题】听力原文：W: Excuse me, would you mind answering a few questions? M: Well, I don't know. I am in rather a hurry actually. W: It won' t take a moment. We' re doing a public opinion poll on some important po...
A.
Polltaker and passenger.
B.
Program host and guest.
C.
Student and teacher.
D.
Politician and supporter.
【多选题】关于抽象类的说法哪些是正确的?
A.
抽象类中可以有非抽象方法
B.
如果父类是抽象类，则子类必须重写父类所有的抽象方法
C.
不能用抽象类去创建对象
D.
接口和抽象类是同一个概念
【判断题】Read the passage and decide whether the following statements are True (T) or False (F). (1) If you don't want to lose weight, there is no need to downsize theplate. ( )
A.
正确
B.
错误
【单选题】You___read that article if you don't want to.
A.
haven't
B.
can`t
C.
mustn`t
D.
needn`t
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