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【单选题】
关于刻度吸管的说法正确的是
A.
刻度吸管的0刻度线在下方
B.
可以用右手大拇指封堵刻度吸管
C.
用右手食指封堵刻度吸管
D.
刻度吸管不必每次0
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参考答案:
举一反三
【单选题】下列有关交换的说法哪个是正确的( )
A.
交换也就是交易的另一种说法
B.
交换是一个结果而不是一个过程
C.
交换是人们获得自己所需要的某种产品的一种方式
D.
人们要想获得所需要的产品,必须通过交换
【单选题】(1)引起火灾 (2)报警 (3)违反规章作业 (4)消防队赶到 (5)扑灭大火
A.
3-1-2-4-5
B.
3-2-4-5-1
C.
2-3-4-1-5
D.
3-1-4-2-5
【单选题】听力原文: We can agree with primitive man that food is a basic need, but we differ from him in our food wants because of the wide variety of food we have available compared with him we have a wider choice...
A.
Food is no longer a basic need for us. while it was for primitive people.
B.
We eat a wide variety of food.
C.
We no longer eat fruit that primitive people ever ate.
D.
We eat more food than primitive people did.
【简答题】某请求分页式存储管理系统,接收一个共7页的作业。作业运行时的页面走向如下: 1,2,3,4,2,1,5,6,2,1,2,3,7,6,3,2,1,2,3,6 若采用最近最久未用(LRU)页面淘汰算法,作业在得到2块和4块内存空间时,各会产生出多少次缺页中断?如果采用先进先出(FIFO)页面淘汰算法时,结果又如何?
【单选题】Sometimes our opinions differ _______ what we choose to observe and how we deal with what we’ve observed
A.
which
B.
since
C.
because
D.
because of
【简答题】指南针中,我们通常用哪个字母表示南?
【简答题】写字时,我们通常用(   )手拿钢笔。
【单选题】下列有关交换的说法哪个是正确的?( )
A.
人们要想获得所需要的产品,必须通过交换
B.
交换是一个结果而不是一个过程
C.
交换也就是交易的另一种说法
D.
交换是人获得自己所需要的某种产品的一种方式
【单选题】听力原文: We can agree with primitive man that food is a basic need, but we differ from him in our food wants because of the wide variety of food we have available compared with him we have a wider choice...
A.
Food is no longer a basic need for us, while it was for primitive people.
B.
We eat a wide variety of food.
C.
We no longer eat fruit that primitive people ever ate.
D.
We eat more food than primitive people do.
【单选题】下列有关交换的说法哪个是正确的 ?( )
A.
人们要想获得所需要的产品 , 必须通过交换
B.
交换仅仅是一个结果而不是一个过程
C.
交换也就是交易的另一种说法
D.
交换是人们获得自己所需要的某种产品的一种方式
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