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
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