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【单选题】
今天是否健康?
A.
B.
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举一反三
【单选题】In the first sentence, the word'laymen'means_____.
A.
people who stand aside
B.
people who are not trained as biologists
C.
people who are amateur biologists
D.
people who love animals
【多选题】PLC选型时,CPU的性能指标是可编程控制器各项性能指标中最重要的,CPU主要的性能指标有()。
A.
主频、工作电压
B.
内存总线速度
C.
高速缓存
D.
协处理器、动态处理
【多选题】PLC选型时,CPU的性能指标是可编程控制器各项性能指标中最重要的,CPU主要的性能指标主要有哪些?
A.
主频、工作电压。
B.
内存总线速度。
C.
高速缓存。
D.
协处理器、动态处理。
【多选题】中空玻璃的主要特性为()。
A.
吸收大量辐射热
B.
降低噪音
C.
保温隔热
D.
防结露
E.
单向透视
【判断题】力的合成遵循力的平行四边形法则。
A.
正确
B.
错误
【单选题】In Paragraph 2, the word 'athlete' means ______.
A.
people who support the games
B.
people who watch the games
C.
people who organize the games
D.
people who compete in the games
【简答题】A.People who are hurt in accidents. B.People whose faces were burned. C.People who suffer from cancer. D.People who want to be more beautiful.
【多选题】中空玻璃的主要特性为( )。
A.
吸收大量辐射热
B.
降低噪音?
C.
保温隔热
D.
防结露
【单选题】CPU主要的性能指标是
A.
字长和时钟主频
B.
可靠性
C.
耗电量和效率
D.
发热量和冷却效率
【简答题】A.The people who had no hobbies in their own culture. B.The people who were not active and successful in their own culture. C.The people who had high position in their own culture. D.The people who ne...
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