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【单选题】
两个字长16位的补码0A2B和E16A,带符号扩展成32位后的结果分别A.
11110A2B和FFFFE16A
B.
00000A2B和FFFFE16A
C.
00000A2B和0000E16A
D.
FFFF0A2B和0000E16A
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反馈参考答案：
举一反三
【简答题】标准菜谱设计的内容有哪几大部分 ?
【判断题】The so-called “magic words” like “thank you” and “please” are more frequently used in English speaking society than they will in Chinese speaking society. Thus, these foreigners are really more polite...
A.
正确
B.
错误
【简答题】根据所学知识,简要概述在seo中什么是内容质量
【单选题】In English speaking countries, like in America, to “ask somebody out” means to invite them out for a_______.
A.
walk
B.
swim
C.
play
D.
Date
【单选题】色谱法中色谱柱的理论塔板数的表达式为（）
A.
5.54 (t R /Y 1/2 ) 2
B.
5.54 (t R / Y ) 2
C.
16(t R /Y 1/2 ) 2
D.
16(t R / Y ) 2
【判断题】In English speaking competitions, the speaker will get the impropmtu speech topic one day in advance for sound preparation
A.
正确
B.
错误
【简答题】What do you find most difficult in English speaking?
【单选题】In English speaking culture, ______ is used when people need to pass in fornt of others.
A.
I am sorry
B.
Let me go, please.
C.
Excuse me.
D.
It's OK.
【简答题】四杆机构中是否存在死点位置, 决定于从动件是否与连杆 。
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