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【判断题】
经营成本=总成本-折旧-摊销费-维简费-利息。A.
正确
B.
错误
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举一反三
【单选题】—Your sister’s plan is not quite practical.Why not try to persuade her to give it up? —My sister is very stubborn，so it is________to try to change her mind.
A.
by chance
B.
in vain
C.
on purpose
D.
for sure
【单选题】过年时,想要祝福家里的长辈健康长寿时,你会怎么说?
A.
I want to wish you long and healthy!
B.
I want to wish you longevity and health!
C.
I want to wish you a good luck!
【简答题】局部坐标系中的平面纯弯梁单元有几个自由度
【单选题】—It is a long time since I saw my sister. —________ her this weekend? [ ]
A.
Why not to visit
B.
Why not visit
C.
Why not visiting
D.
Why don’t visit
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