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【单选题】
图示均质细杆AB长为L，质量为m，绕A轴作转动。设AB杆在图示铅直位置的角速度ω=0，角加速度为ε。此时，AB杆惯性力系简化的结果是（）
A.
A
B.
B
C.
C
D.
D
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参考答案：
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【单选题】—My parents always tell me _______ others late at night. —They're right. It's not polite. [     ]
A.
call
B.
to call
C.
not to call
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【判断题】学前儿童呼吸量较成人少,但新陈代谢旺盛,耗氧量大,故呼吸频率高于成人
A.
正确
B.
错误
查看完整题目与答案
【单选题】He hugged her and handed her a _____ of roses.
A.
Banquet
B.
bouquet
C.
flower
D.
flowery
查看完整题目与答案
【判断题】细胞质遗传正交和反交的结果相同,都只表现母本的性状。( )
A.
正确
B.
错误
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【单选题】They’re my grandfather and grandmother.
A.
parents                   
B.
uncles               
C.
grandparents
查看完整题目与答案
【单选题】— ______________ are they? — They're my parents. [     ]
A.
What
B.
How much
C.
Who
查看完整题目与答案
【单选题】They're going ___________ my parents. [     ]
A.
and
B.
with
C.
to
查看完整题目与答案
【判断题】学前儿童呼吸频率较成人快
A.
正确
B.
错误
查看完整题目与答案
【单选题】--- My parents always tell me_________ others late at night. --- They’re right. It’s not polite.
A.
don’t call
B.
not to call
C.
to call
D.
not call
查看完整题目与答案
【单选题】--My parents always tell me _________ others late at night. --They’re right. It’s not polite.
A.
call
B.
not call
C.
not to call
D.
to call
查看完整题目与答案
相关题目：
【单选题】—My parents always tell me _______ others late at night. —They're right. It's not polite. [     ]
A.
call
B.
to call
C.
not to call
查看完整题目与答案
【判断题】学前儿童呼吸量较成人少,但新陈代谢旺盛,耗氧量大,故呼吸频率高于成人
A.
正确
B.
错误
查看完整题目与答案
【单选题】He hugged her and handed her a _____ of roses.
A.
Banquet
B.
bouquet
C.
flower
D.
flowery
查看完整题目与答案
【判断题】细胞质遗传正交和反交的结果相同,都只表现母本的性状。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】They’re my grandfather and grandmother.
A.
parents                   
B.
uncles               
C.
grandparents
查看完整题目与答案
【单选题】— ______________ are they? — They're my parents. [     ]
A.
What
B.
How much
C.
Who
查看完整题目与答案
【单选题】They're going ___________ my parents. [     ]
A.
and
B.
with
C.
to
查看完整题目与答案
【判断题】学前儿童呼吸频率较成人快
A.
正确
B.
错误
查看完整题目与答案
【单选题】--- My parents always tell me_________ others late at night. --- They’re right. It’s not polite.
A.
don’t call
B.
not to call
C.
to call
D.
not call
查看完整题目与答案
【单选题】--My parents always tell me _________ others late at night. --They’re right. It’s not polite.
A.
call
B.
not call
C.
not to call
D.
to call
查看完整题目与答案
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