题目

阅读下面文段并回答问题Dear Alan,It's Monday, July 15. I'm really busy today. At 8: 00, I have Chinese. I don't like Chinese. It's boring. Then at 9: 00 I have maths. I like it very much because it's very interesting. Next, at 10: 00, I have English. It's my favourite subject. At 11: 00, I have music. I like it because it's relaxing. I have lunch at 12: 25. After lunch, I have science. It's fun. Then I have PE . I like it. It's exciting. We can play football. After PE, we have history. It's fun. Then I go home at 5: 00.Yours,Amy （1） 下列细胞的哪项特点，是和根毛吸水功能相适应的  [    ] A．细胞质比较浓   B．细胞核较小 C．液泡大　　　　 D．细胞壁厚