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【单选题】
javac的作用是________________。
A.
将源程序编译成字节码
B.
将字节码编译成源程序
C.
解释执行Java字节码
D.
模拟运行Java小程序
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参考答案:
举一反三
【单选题】Our words are meaningless and cannot be distinguished from their opposites, as can be proved by an example. People think that they know the difference between the meanings of 'bald' and 'having hair. ...
A.
The word 'bald' can be translated into other languages.
B.
A word can have more than one meaning.
C.
A word such as 'cat' can be applied to several animals that differ in some respects.
D.
Words can lack precision without being meaningless.
E.
People cannot think clearly without using words.
【判断题】高温使得热带国家工业机械往往比温带国家更容易出现故障。
A.
正确
B.
错误
【单选题】构成四位寄存器需选用触发器的个数为
A.
1.0
B.
2.0
C.
3.0
D.
4.0
【简答题】简述肌力的分级。
【判断题】维生素D可促进锌的吸收。 ( )
A.
正确
B.
错误
【单选题】It can be inferred from the passage that Social Security privatization will ______ .
A.
provide high returns for the new governments
B.
be strongly opposed by Wall Street
C.
bring the future retirees more benefits
D.
allow individuals to invest in personal accounts
【单选题】下面哪一种塑料原料的相对密度是最小的?( )
A.
PVC
B.
PS
C.
PP
D.
PMMA
【单选题】下面哪一种塑料原料的相对密度是最小的?()
A.
PVC
B.
PP
C.
PS
D.
PE
【单选题】在补钙的同时还要补充_______,这样可以促进钙的吸收。
A.
维生素D和镁
B.
维生素A和铁
C.
维生素B和锌
D.
维生素E和钠
【单选题】构成四位寄存器需选用触发器的个数为
A.
1
B.
2
C.
3
D.
4
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