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【单选题】
下列字符序列中,合法 Java 标识符的是( )。A.
false
B.
default
C.
good-class
D.
_int
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反馈参考答案：
举一反三
【单选题】A person ______ is more likely to become a genius.
A.
whose parents are clever
B.
often thinking about difficult problems
C.
often helped by his parents and teachers
D.
born with a good brain and putting it into active use
【简答题】A. Personal relationships should come after one’s job. B. People should care more about their personal relationships and relaxation. C. When a job is very important, relaxation should be forgotten. D....
【简答题】构建抢答器组态工程,当主持人按下出题按钮,出题指示灯亮,四组选手在10秒时间内可以抢答,超过10秒无人抢答,此题做废,如果选手在主持人未按下出题按钮就抢答,算犯规,抢搭成功或犯规的选手号码在数码管上显示。主持人按下清除按钮,复位清零,再按出题按钮,下一场开始。仿真效果如下图所示: 【请上传提交仿真截图和工程文件( *.MCE )】
【单选题】This camera is too expensive. I ’ d like a _____ one.
A.
cheap
B.
cheaper
C.
cheapest
D.
more expensive
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