问答题

中国人计数喜欢画“正”字，是起源于清朝时期的什么场所？

答案： A.码头
B.戏院
正确答案：B
中国人计数为何习惯画“正”字呢？当然，首先是与“五进位制”有关...

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多项选择题

要将/tmp目录下名字以script字样打头，紧接两个任意字符，以.sh结尾的文件的访问权限改成754，下面哪种做法是正确的？
A、chmod 754 /tmp/script??.sh
B、chmod u=rwx,g=rx,o=r /tmp/script??.sh
C、chmod u+rwx,g+rx,o+r /tmp/script??.sh
D、chmod 754 /tmp/script[??].sh
E、chmod 754 /tmp/script[**].sh

单项选择题

Assume that Company A obtains some of its inputs in the foreign country.As the foreign currency becomes a larger portion of production total costs, local currency depreciation leads to a (an) in the foreign currency cost of the product and a (an) in the local currency cost compared to the cost changes that occur when all input costs are local currency denominated.

A．Decrease, increase
B．increase, decrease
C．decrease, decrease
D．increase, increase