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【多选题】
以下对于枚举类的描述正确的是( )。A.
枚举类默认继承于Object类
B.
所有的枚举类都提供了一个getValues方法,用于便利所有的枚举值
C.
枚举类的构造器只能使用public访问控制符
D.
枚举类可以是实现一个或多个接口
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举一反三
【单选题】____ is it to ask her about that? She doesn’t know it either.
A.
What good
B.
How good
C.
What a good
D.
How much good
【多选题】Please tick the useful expressions about how to ask about a travel destination(目的地)?
A.
Have you ever been to...?
B.
Did you visit...?
C.
When did you visit...?
D.
How long was the trip/did the trip last?
E.
Are there any specialties(特产）？
F.
How did you feel about the trip?
G.
How do you like it?
【单选题】How does the doctor ask about illness?
A.
How would you like it?
B.
Where are you from?
C.
What do you do?
D.
What's the matter?
【简答题】OSI/RM物理层协议规定了( )、( )、( )和( )四个方面的特性。
【单选题】Why does the woman say this:
A.
To ask for advice about how to present her request to the dean.
B.
To confirm whether it needs to be the dean who writes the letter.
C.
To inquire about the process for getting the letter back.
D.
To express concern about obtaining the letter of recommendation.
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