抗菌药物的不良反应（） A.细菌耐药性 B.过敏反应 C.毒性反应_爱下问搜题

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问题单项选择题

抗菌药物的不良反应（）

A.细菌耐药性

B.过敏反应

C.毒性反应

D.二重感染

E.以上均是

答案

参考答案：E

完形填空

完形填空。
     I'm Tony. I'm new (新生) in the school. I     1    a friend in my class. She     2     Helen. She is an
American (美国) girl. She is now in China with     3   parents. She    4    China. And she likes Chinese
(中国的)    5 too. She has    6 egg,    7     bread for breakfast. For lunch     8     our school is very
good. We can have different (不同的) food     9    lunch. We     10     noodles (面条). We have dinner
at home with our parents.

( ) 1. A. has
( ) 2. A. name's
( ) 3. A. his
( ) 4. A. likes
( ) 5. A. sports
( ) 6. A. an
( ) 7. A. many
( ) 8. A. on
( ) 9. A. for
( ) 10. A. has

B. have
B. am
B. she
B. have
B. food
B. a
B. a
B. in
B. on
B. eats

C. am
C. is
C. her
C. like
C. dessert
C. the
C. an
C. under
C. in
C. have

D. is
D. has
D. he
D. has
D. clubs
D. /
D. some
D. for
D. have
D. likes

填空题

在数字图像通信系统中，信源编码器的主要作用是（）。