题目内容

历史上三次北方人口的大规模南移为江南地区带来了()。

A. 丰富的土地资源
B. 富裕的劳动力
C. 先进的生产技术
D. 古代中国经济中心的渐次南移

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北宋时,杭州为两浙路路治,是全国四大商港之一。

A. 对
B. 错

Fill in the blanks with the given phrases.1) It took me quite some time to __________ the burs that had stuck to my coat.2) We absolutely should _________ some new insights from our failures.3) I rank myself as a regular guy who is hard to _________ of seas of people.4) There are some people inclined to look for something to _________ in others.5) That superpower loves to ________ us because we are springing up.

呼吸衰竭病人最为常见的电解质紊乱包括

A. 高钾
B. 高钠
C. 低氯
D. 代酸
E. 代碱

呼吸衰竭发生窒息的原因有

A. 分泌物增多,咳嗽无力
B. 翻身拍背时痰液涌出
C. 吸氧浓度过高
D. 异物误入气管
E. 补液过快

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