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【单选题】
下列关于switch语句的描述中,正确的是A.
switch语句中case子句后面的表达式只能是整型表达式
B.
switch语句中每个语句序列中必须有break语句
C.
switch语句中default 子句可以没有，也可以有一个
D.
switch语句中default 子句只能放在最后
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举一反三
【判断题】Sponsor of a conference is the institution that initiates the conference while organizer of the conference is entrusted by the sponsor to organize the conference.
A.
正确
B.
错误
【单选题】Manufacturing companies spend millions of pounds trying to convince customers that their products are ______ to those of others.
A.
better
B.
best
C.
super
D.
superior
【判断题】Sponsor of a conference is the institution that initiates the conference while organizer of the conference is entrusted by the sponsor to organize the conference.
A.
正确
B.
错误
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