问题
多项选择题
关于血液的叙述,错误的是()
A.其容量约占体重10%
B.由晶体物质溶液、血浆蛋白、血细胞三种成分组成
C.主要功能是完成体内物质运输以保证机体新陈代谢的正常进行
D.如果已知血浆容量和血红蛋白浓度,就可计算出血液容量
E.饮水后血容量不变
答案
参考答案:A, E
关于血液的叙述,错误的是()
A.其容量约占体重10%
B.由晶体物质溶液、血浆蛋白、血细胞三种成分组成
C.主要功能是完成体内物质运输以保证机体新陈代谢的正常进行
D.如果已知血浆容量和血红蛋白浓度,就可计算出血液容量
E.饮水后血容量不变
参考答案:A, E
完形填空。 | ||||
Two friends went to a city and 1 in a big hotel. Their room was on the 56th floor, and there was a fast lift, so they went up and down very 2 . They came back to the hotel very late one Saturday 3 ,and the liftman said to them," The electricity (电) stopped today. You can't 4 the lift now, " The two friends said. "We 5 to go upstairs (上楼) to our room." They left their coats downstairs because they were 6 , and began to climb. It took a 7 time, but they sang some interesting songs. At 12:00, they 8 the 56th floor. Then one of them put his hand in his pocket (口袋) and stopped. He said to 9 , "Now. I'm going to sing the most interesting song of all. Its name is: I 10 the key to the room downstairs in my coat." | ||||
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