问题
单项选择题
细胞内液(ICF)的主要渗透离子为()
A.钠离子
B.钾离子
C.氯离子
D.钙离子
E.镁离子
答案
参考答案:B
细胞内液(ICF)的主要渗透离子为()
A.钠离子
B.钾离子
C.氯离子
D.钙离子
E.镁离子
参考答案:B
情景交际根据语境,选择适当的语句完成对话。 | |
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A: What are you going to do tomorrow morning? B: 1 might go to the bookshop for some Chinese books. A: Do you like Chinese? B: Yes. _ 2 But I feel that it is a bit more difficult. A: You know , l'm good at Chinese. Perhaps I can help you. B: Really? You're great! Thanks a lot. A: 3 B: I'm going to Mr. Smith's shop. A: Why would you like to go to his shop? B: Mr. Smith is good at Chinese ,too. _4___ A: Yes? I should also go there with you tomorrow. B: It's wonderful. Let's go there together. A: But I'm not so sure. 5 If my mother doesn't ask me to do that , l'll go with you. B: OK. |