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【简答题】
连续曲线上凹弧与凸弧的分界点称为曲线的(__);
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】We are sorry to say that you price is too high and --what we can afford.
A.
over
B.
pass
C.
beyond
D.
lower than
【简答题】We are sorry to say we had to lodge a claim against you to cover our loss and hope you will take action immediately.
【简答题】项目三 操作题提交
【单选题】If you _____your work, you can go there first.
A.
will finish
B.
finished
C.
finishing
D.
have finished
【单选题】You shouldn't wait here, _____ you can go and ask Jim why. [ ]
A.
at the beginning
B.
in the end
C.
at first
D.
at least
【单选题】We are sorry to say it is not possible us to meet the price you requested.
A.
for
B.
of
C.
with
【单选题】一个临时雇佣机构以前在它的雇员每工作700小时后，给他们两天半的有偿假期。该机构的新政策则是在其雇员每工作1200小时后给他们5天的有偿假期。所以，这项新政策对雇员更加慷慨了，它使雇员平均每小时工作得到的假期比以往更多了。这个论述依据下面哪个假设?
A.
该机构的新政策和其他与之竞争的临时雇佣公司相一致。
B.
一些工人在没工作到700小时时就离开了公司。
C.
大多数工人在公司的政策改变之前从来没意识到公司计划改变政策。
D.
相当一部分雇员能够工作长达1200小时。
【单选题】Although we appreciate good quality of your goods, we are sorry to say that your prices appear to be
A.
of high standard
B.
in the high level
C.
on the high side
D.
at the high end
相关题目：
【单选题】We are sorry to say it is not possible us to meet the price you requested.
A.
for
B.
of
C.
with