白斑的临床类型分为（）。 A.寻常型、增殖型、叶型、红斑型 B._爱下问搜题

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问题单项选择题 A1/A2型题

白斑的临床类型分为（）。

A.寻常型、增殖型、叶型、红斑型

B.光滑型、结节型

C.斑块状、颗粒状、皱纸状、疣状、溃疡状

D.皱纸状、海绵状、鳞片状

E.萎缩型、肥厚型

答案

参考答案：C

解析：白斑的临床类型分为斑块状、颗粒状、皱纸状、疣状、溃疡状。其他选项都不是白斑的临床表现。

完形填空

完形填空。

     We are busier now. We have  more lessons to take, more   1   to finish but less time to exercise.  Exercise is good for both our body  2   mind. It can
keep our body healthy and    3  .It can also help us relax  4   we feel stressed.
In fact, we don't need too much time and money to   5   . Exercise can be
everywhere if we like. For   6   , we can climb stairs instead of ( 代替) using
lifts; we can walk or  7  our bike to school instead of asking our parents to
drive us; we can walk while talking with a friend instead of just sitting at the
table.
     There are many   8   of exercise. Running, swimming, dancing,skating and playing balls are all  9  exercise. Exercise is a great   10   for us to keep
healthy and make new friends. So let's do exercise ifwe have time.

( )1. A. housework
( )2. A. and
( )3. A. funny
( )4. A. how
( )5. A. work
( )6. A. district
( )7. A. ride
( )8. A. facts
( )9. A. good
( )10.A.culture

B. accessory
B. or
B. young
B. when
B. exercise
B. form
B. drive
B. ideas
B. awful
B.bridge

C. homework
C. but
C. fantastic
C. why
C. eat
C. exam
C. bring
C. kinds
C. tired
C. menu

D. activities
D．so
D. strong
D. what
D. play
D. example
D. sell
D. things
D. pretty
D.way

选择题

黑火药是我国的四大发明之一，距今已有一千多年的历史，黑火药的爆炸原理可用S+2KNO₃+3C

K₂S+N₂↑+3X↑表示，推断X 的化学式为（　　）

A．NO

B．SO₂

C．CO

D．CO₂