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问题 单项选择题

29岁女性，7年前和3年前分别足月顺产一女孩和一男孩，1年前有一次宫外孕手术史，经咨询指导选择使用复方长效口服药避孕。

复方长效口服药避孕药正确的服用方法是

A．每个月经周期的第1天服用1片
B．每个月经周期的第5天服用1片
C．首次在月经周期第5天1片，第10天服1片，以后按第1次服药日期每月1片
D．首次在月经周期第5天1片，第25天服1片，以后按第2次服药日期每月1片
E．首次在月经周期第5天1片，以后每个月经周期的第1天服用1片

答案

参考答案：C

单项选择题

The amazing success of humans as a (91) is the result of the evolutionary development of our brains which has led, among other things, to tool-using, tool-making, the (92) to solve problems by logical reasoning, thoughtful cooperation, and language. One of the most striking ways in which chimpanzees biologically (93) humans (94) in structure of their brains. The chimpanzee, with the capacity for (95) reasoning, (96) a type of intelligence more like that of humans than (97) any other mammal living today. The brain of the modern chimpanzee is probably not too dissimilar (98) the brain that so many millions of years ago (99) the behavior of the first ape man.
For a long time, the fact that prehistoric people made (100) was considered to be one of the major (101) distinguishing them from other creatures. (102) pointed out earlier, I have watched chimpanzees (103) grass stems in order to use them to probe for termites. It is tree that the chimpanzee does not (104) tools to "a regular and set pattern"—but then, (105) people, before their development of stone tools, undoubtedly poked around (106) sticks, and straws, at which stage it seems (107) , that they made tools to a set pattern either.
It is because of the close (108) in most people’s minds of tools with humans (109) special attention has always been focused upon any animal able to use an object as a tool: but it is important to realize that this ability, on its own, does not necessarily indicate any special intelligence in the creature (110) .

A．species

B．specie

C．speciman

D．specimen
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问答题 简答题

清朝以前对外交往的重大事件有哪些？
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