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题目：
单选题
A收缩脑血管
B降低脑灌注压
C增高脑血管阻力
D心率增快
E降低颅内压
答案：
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One hundred and fifty years ago, the position of women in the U. S. society was very different【C1】______their position today. At that【C2】______, women were completely subordinate to【C3】______. Society did not encourage women to have a career【C4】______the home. Although they received an【C5】______at elementary school and high school, they were not【C6】______to attend college or university. Even when a【C7】______woman had a job, she【C8】______not keep the money that she earned. The law【C9】______her to give the money to her husband! Society expected women to do the housekeeping, to【C10】______the children, and to obey their husbands. That was【C11】______role in society. They did not have the right to vote.【C12】______many ways, they were almost【C13】______slaves. This situation began to change slowly【C14】______the first feminist(女权主义)group was organized in 1848. After that year, small groups of women began to protest the【C15】______of equality and justice in U. S. society. Progress was slow, 【C16】______many years, their attempts to improve【C17】______position ended in failure. Slowly, 【C18】______, more and more people began to【C19】______their ideas and support their demands【C20】______in 1920, women were given the right to vote in a national election.【C1】A．withB．fromC．toD．against
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患者诊断为左膝关节单纯滑膜结核行滑膜切除术后2周，局部无肿痛，体温正常，无盗汗，血沉由58mm／h降为27mm／h，此时对膝关节的处理原则是（）
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动物能够辨别方向是因为地球磁场作用的缘故。
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在人力资源管理的系统中，人力资源规划为其他人力资源管理活动提供了()。
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自然界中水文循环的主要环节是（）
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先天梅毒下列哪项是错误的（）。
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