问题
单项选择题
属于颗粒性抗原的是
A．病毒
B．球蛋白
C．脂多糖
D．DNA
E．细菌
答案
参考答案：E
搜题请搜索小程序“爱下问搜题”
属于颗粒性抗原的是
A．病毒
B．球蛋白
C．脂多糖
D．DNA
E．细菌
参考答案：E
| 从方框中选择恰当的句子，补全对话。 Bob: Hi, Bill! I've heard you are a football fan, aren't you? Bill: Yes. Bob: __1__ Bill: Well, when I watch a football game, I feel excited. __2__ Bob: Just a little bit. I'm not good at playing football. __3__ Bill: Oh, I see. Do you have any favourite football stars? Bob: __4__ Bill: Oh, I like him, too. Bob: __5__ Bill: Not much. I'm going to join a football club so that I can play football more. Bob: That's a good idea.
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