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【单选题】
What can be inferred about Jack McCarrol?
A.
He joined AIE online.
B.
He recently joined AIE.
C.
He runs his own engineering firm.
D.
He wrote a letter of complaint to AIE.
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参考答案:
举一反三
【单选题】采用单向哈希函数对报文中若干重要元素进行某种变换运算得到某一指定长度的摘要码,该摘要码即为报文的 。
A.
数字指纹
B.
数字摘要
C.
数字签名
D.
数字信封
【单选题】一份试卷区分度大于0.4,说明试题的区分度
A.
很好
B.
良好
C.
D.
很差
【单选题】yogurt do we need?
A.
How much
B.
How many
C.
How often
D.
How long
【单选题】How long a break do we need for an hour of reading?
A.
A 15-minute break
B.
A 10-minute break
C.
A 5-minute break
D.
A 1-minute break
【单选题】—_____ bread do we need, Mom? —Two kilos, I think. A. How many B. How often C. How long D. How much
A.
B.
C.
D.
D
【单选题】一份试卷区分度大于0.4,说明试题的区分度( )
A.
良好
B.
很好
C.
D.
很差
【判断题】用法扬司法测定Cl含量时,以二氯荧光黄(Ka=1.0×10-4)为指示剂溶液的pH值应大于4,小于10。(
A.
正确
B.
错误
【单选题】—__________ yogurt do we need? —Two cups.
A.
How many
B.
How about
C.
How much
D.
How long
【单选题】( )3.— _____ bread do we need, Mom? — Two kilos, I think. A. How many B. How often C. How long D. How much
A.
How many
B.
How often
C.
How long
D.
How much
【判断题】用法扬司法测定Cl-含量时,以二氯荧光黄(Ka=1.0010-4)为指示剂,溶液的PH值应大于4,小于10。( )
A.
正确
B.
错误
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