除IgA型外，（）是发挥调理作用的主要Ig A.IgD B.IgG C.IgE D._爱下问搜题

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问题单项选择题 A1型题

除IgA型外，（）是发挥调理作用的主要Ig

A.IgD

B.IgG

C.IgE

D.IgM

答案

参考答案：B

完形填空

完形填空。

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Fangfang. 6 a Chinese girl. I'm eleven. Kate 7 a small sports collection. She has 8 tennis racket, three
basketballs, and five baseballs, but I only 9 a soccer ball. Kate and I both (都) 10 sports every day.

( )1. A. I
( )2. A. a
( )3. A. His
( )4. A. She
( )5. A. name
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( )9 A. has
( )10.A. plays

B. you
B. an
B. She
B. She's
B. book
B. I'm
B. has
B. two
B. have
B. play

C. me
C. the
C. Her
C. Her
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C. She
C. doesn't have
C. three
C. doesn't have
C. playing

D. my
D. /
D. She's
D. He's
D. bag
D. She's
D. don't have
D. four
D. don't have
D. to play

单项选择题

构成视网膜内屏障的是（）

A.视网膜毛细血管

B.Bruch膜

C.视网膜色素上皮细胞

D.脉络膜毛细血管