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【单选题】
某机字长32位,其中1位符号位,若用定点小数表示,则最大正小数是()。A.
+(1-2^－32)
B.
+(1－2^－31)
C.
2^－32
D.
2^－31
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举一反三
【单选题】—I’m afraid I will lose the game once again.
A.
_______, Rose. I’m sure you will make it.
B.
Cheer up
C.
No wonder
D.
All right
E.
Have fun
【单选题】—Can we meet tomorrow morning? —Not in the morning, I’m afraid. I ___________.
A.
will be working
B.
will work
C.
am about to work
D.
am going to work
【简答题】可产生严重心律失常的是 （ ）。
【单选题】---I’m thinking of the test tomorrow. I’m afraid I can’t pass this time. ---_______! I’m sure you will make it.
A.
Go ahead
B.
Good luck
C.
No problem
D.
Cheer up
【单选题】—Can you lend me some books? — _______ I’ ve no books here．A．I'm afraid not B．l don－
A.
8． —Can you lend me some books? — _______ I’ ve no books here． A．I'm afraid not
B.
l don-t hope so
C.
I'm not afraid
D.
I-m afraid
【多选题】理想的抗心律失常药物应有的特点为
A.
可预防严重心律失常，特别是室性心动过速、室性颤动的发生
B.
长期服用对血流动力学无影响
C.
能有效抑制异位节律，恢复或维持窦性节律
D.
服用方便，个体差异小
E.
对重要器官及神经、血液无毒性作用
【单选题】— Can we meet at 3 o'clock tomorrow afternoon? — That doesn't suit me. I'm afraid I _____. [ ]
A.
will be working
B.
will work
C.
am going to work
D.
am about to work
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