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【单选题】
某数的绝对值和算术平方根等于它本身，这个数必为______
A.
2或1
B.
2或0
C.
1或-1
D.
1或0
E.
-1或0
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举报参考答案：
举一反三
【单选题】执行下列二进制算术加运算11001001+00100111,其运算结果是____。
A.
10100010
B.
00000001
C.
11110000
D.
11101111
【单选题】A. As is known, we set great store by the trade relationship with the third world countries.B. We’ve never had any difficulties with our Chinese partners, and we ’ d like to make as many new contacts ...
A.
By leaving out some necessary information.
B.
By providing more information than needed.
C.
By using their body language.
D.
By telling some unbelievable lies.
【单选题】成人Ret绝对值的参考范围是
A.
(15～35)×109／L
B.
(20～50)×109／L
C.
(40～80)×109／L
D.
(65～110)×109／L
E.
(25～75)×109／L
相关题目：
【单选题】执行下列二进制算术加运算11001001+00100111,其运算结果是____。
A.
10100010
B.
00000001
C.
11110000
D.
11101111
【单选题】A. As is known, we set great store by the trade relationship with the third world countries.B. We’ve never had any difficulties with our Chinese partners, and we ’ d like to make as many new contacts ...
A.
By leaving out some necessary information.
B.
By providing more information than needed.
C.
By using their body language.
D.
By telling some unbelievable lies.
【单选题】成人Ret绝对值的参考范围是
A.
(15～35)×109／L
B.
(20～50)×109／L
C.
(40～80)×109／L
D.
(65～110)×109／L
E.
(25～75)×109／L
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