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【单选题】
在剪力为零的截面上,弯矩可能有( )。A.
最大值
B.
最小值
C.
极值
D.
零
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举一反三
【单选题】双向筒式减振器
A.
减振器伸张行程阻尼力大，压缩行程阻尼力小
B.
减振器伸张行程阻尼力小，压缩行程阻尼力大
C.
减振器伸张行程和压缩行程阻尼力相等
D.
以上答案都不对
【单选题】听力原文：M: What time does the library close? W: On Monday, Wednesday, and Friday, it closes at 5:00 p.m.. On Tuesday and Thursday, it opens till nine. It stays open until six on Saturday, but on Sunday i...
A.
Monday, Wednesday, and Friday.
B.
Tuesday and Saturday.
C.
Saturday and Sunday.
D.
Tuesday and Thursday.
【单选题】听力原文：M: Are you close to your parents? W: Yeah, we're close. My father and I have always been close. Sometimes my mom and I don't really see eye to eye. What about you? M: Well, I think my parents def...
A.
Different family backgrounds.
B.
The generation gap.
C.
Traveling and studying overseas.
D.
Different interests and hobbies.
【判断题】The third closing entry is to close Owner's Capital to the Owner's Withdrawals account.
A.
正确
B.
错误
【单选题】双向筒式减振器( )
A.
减振器伸张行程阻尼力大，压缩行程阻尼力小；
B.
减振器伸张行程阻尼力小，压缩行程阻尼力大
C.
减振器伸张行程和压缩行程阻尼力相等
D.
以上都不表示
【单选题】某投资方案，当折现率为16% 时，其净现值为338元，当折现率为18% 时，其净现值为－22元。该方案的内含报酬率为（ ）
A.
15. 88%
B.
16. 12%
C.
17. 88%
D.
18. 14%
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