问题
单项选择题
血清与血浆的主要区别在于血清中不含
A．水
B．电解质
C．凝血因子
D．白蛋白
E．红细胞
答案
参考答案：C
解析：血液凝固后血凝块收缩，释出淡黄色的液体称为血清，在凝血过程中消耗了一些凝血因子，所以答案选C。
搜题请搜索小程序“爱下问搜题”
血清与血浆的主要区别在于血清中不含
A．水
B．电解质
C．凝血因子
D．白蛋白
E．红细胞
参考答案：C
解析：血液凝固后血凝块收缩，释出淡黄色的液体称为血清，在凝血过程中消耗了一些凝血因子，所以答案选C。
阅读下面对话，从方框内七个选项中选择五个适当的句子完成此对话。
B: Not yet. 小题1: A: I’m going to the bookstore. Would you like to go with me? B: Sure. 小题2: A: Well, I want to buy some story books. B: That’s great. What kind of stories do you like? A: 小题3:What about you? B: Me, too. My favorite book is The Old Man and the Sea. A: I know that book. 小题4: B: You are right. Have you read any books by young writers born in the 1980s? A: Of course, and I like reading their works on the Internet. B: Haha! 小题5: A: That’s right. |