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【多选题】
计算机按照系统功能为标准可以分为以下哪些类别?A.
批处理系统
B.
分时操作系统
C.
网络操作系统
D.
实时操作系统
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举一反三
【单选题】1500 mL的液体从早上8点半开始输,调节滴数约为75滴/分(点滴系数为15),其输完的时间为
A.
12点30分
B.
下午1点
C.
下午1点30分
D.
下午2点
E.
下午3点
【单选题】He is upset that his income was____ compared with that of other chief executives.
A.
modest
B.
substantial
C.
considerable
D.
plentiful
【单选题】1500mL的液体从早上8点半开始输,调节滴数约为75滴/分,其输完的时间为( )
A.
11:30
B.
12:30
C.
13:30
D.
14:00
E.
14:30
【简答题】第一节(共5小题) 听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 1.Where is Fred now? A.At the restaurant. B.In the class. C.At home. 2.What do the two spe...
【单选题】________ he can't understand is ________ his son doesn't like the school.He is very upset about this. [ ]
A.
That; why
B.
Why; that
C.
What; why
D.
Whether; that
【单选题】________ he can’t understand is ________ his son doesn’t like the school. He is very upset about this. [ ]
A.
That；why
B.
Why；that C. What ；why D．Whether；that
【简答题】阅读下面文章，回答有关小题，注意括号内的词数。 Do you have a friend who is upset about his or her parent’s drinking? You want to do something to help, but what? Your friend may not talk about this with you, but you can stil...
【单选题】1500ml的液体从早上8点半开始输,滴速为75滴/分,滴度系数位为15,其输完的时间为
A.
12点30分
B.
下午1点
C.
下午1点30分
D.
下午2点
E.
下午3点
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