补体替代激活途径的主要激活物是（） A.免疫复合物 B.甘露聚糖_爱下问搜题

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问题单项选择题 A1/A2型题

补体替代激活途径的主要激活物是（）

A.免疫复合物

B.甘露聚糖

C.细菌脂多糖

D.肽聚糖

E.变性的IgG

答案

参考答案：C

补全对话，情景问答

阅读下面对话，从方框内7个选项中选择5个恰当的句子完成此对话，并将其标号填入题前括号内。

A. Why do you want to go to the zoo?
B. Yes, what's up?
C. We'd better not.
D. Have a good time!
E. Where are they from?
F I'd love to go with you.
G. What about you?

       A: Are you free this weekend?
( )B: 1
       A: Let's go to Beijing Zoo!
( )B: 2
        A: Because I hear eight pandas have just arrived there.
(    )B: Really? 3
       A: They're from Sichuan, and they will welcome the friends all over the world
            during the Beijing Olympic Games.
(    ) B: That's great! 4
        A: I also hear the eight pandas like to eat apples. Why not take some apples?
( ) B: 5              Can't you see "No Feeding" in the zoo?
        A: Sorry, I forgot it. Well, remember to take a camera.
        B: OK!

单项选择题

（）是安排箱体零件加工工艺过程的一般规律。

A、先里后外

B、先大后小

C、先面后孔

D、先精后粗