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【多选题】
Collection 和 Collections 的区别。( )A.
Collection 是集合类（List、Set、Queue）的根接口。
B.
Collections 是针对集合类的一个工具类。
C.
Collections提供一系列静态方法实现对各种集合的搜 索、排序、线化等操作。
D.
Collection 和 Collections没有区别。
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举一反三
【单选题】The basic function of a government is ___.
A.
to provide stability
B.
to make laws and enforce laws
C.
to provide many services, such as schools, parks, sewage systems, and streets and 34 highways
D.
to regulate, or control, activities such as trade and transportation
【单选题】It can be inferred from the passage that the basic function of bodily activity in speech is to ______.
A.
make the listener feel emotional
B.
make the speaker understood
C.
amplify or intensify the speaker's spoken words
D.
convey the speaker's implied meaning to the listener
【单选题】What is not the basic function of intonation?
A.
intentions
B.
emotions
C.
behaviors
D.
attitudes
【单选题】下面程序段: for(t=1;t<=100;t++) { scanf("%d",&x); if(x<0) continue; printf("%3d",t); }
A.
当x<0时,整个循环结束
B.
x>=0时,什么也不输出
C.
printf函数永远也不被执行
D.
最多允许输出100个非负整数
【单选题】The basic function of money is ( ).
A.
exchange media
B.
value storage
C.
value scale
D.
deferred payment
【单选题】Financial markets have the basic function of______.
A.
bringing together people with funds to lend and people who want to borrow funds
B.
assuring that the swings in the business cycle are less pronounced
C.
assuring that governments need never resort to printing money
D.
both A and B
E.
both B and C
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