鱼类的牙列为（） A.单牙列 B.双牙列 C.端生牙 D.同形牙 E.异形牙_爱下问搜题

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问题单项选择题

鱼类的牙列为（）

A.单牙列

B.双牙列

C.端生牙

D.同形牙

E.异形牙

答案

参考答案：D

完形填空

完形填空。

     I am    1     English school girl. My name is Alice Brown. I am twelve. I   2   two brothers. My brothers
and I   3   all at school. We go to school   4   Monday   5   Friday. We   6   have classes   7   Sunday a
nd Saturday.
      My father and my mother are teachers. They say China is great. We all like Chinese movies. So we
often go to the movies    8  . Our favorite   9   are comedies and action movies. Our favorite movie star
is Jackie Chan. We really like his movie Rush Hour. It's 10 action movie.

( )1. A. an
( )2. A. has
( )3. A. is
( )4. A. in
( )5. A. to
( )6. A. aren't
( )7. A. at
( )8. A. on weekend
( )9. A. movies
( )10. A. an excited

B. a
B. to have
B. am
B. at
B. on
B. isn't
B. on
B. on weekends
B. movie
B. a exciting

C. the
C. have
C. be
C. from
C. in
C. don't
C. from
C. in weekend
C. a movie
C. an exciting

D. /
D. am
D. are
D. on
D. for
D. doesn't
D. in
D. in weekends
D. the movies
D. a excited

选择题

银行的验钞机是利用紫外线的哪种特性来识别钞票的真伪的（　　）

A．紫外线的生理作用强，能杀菌

B．紫外线的化学作用强，易使钞票里的图案发光产生变化

C．紫外线具有荧光效应，利用钞票上某些位置的荧光物质在紫外线照射下发光识别

D．紫外线的化学作用强，使钞票发生了化学变化