（）具有高弹性、拉伸强度高、延伸率大、耐热性的低温柔性好、单_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

（）具有高弹性、拉伸强度高、延伸率大、耐热性的低温柔性好、单层防水和使用寿命长等优点。

A、石油沥青防水卷材

B、高聚物改性沥青防水卷材

C、合成高分子防水卷材

D、防水油膏

答案

参考答案：C

改错题

下列各句中均有一处错误，请找出并改正。

( )1. He have  a small mouth.
                   A    B   C      D
(     )2. The girl  has big   eye.
                   A    B    C     D
(     )3. She is an English.
             A   B C     D
(    )4. They are in the same classes.
                     A  B         C       D
(     )5. He's friend is an English boy.
             A       B       C               D
(     )6. My car has two color.
             A        B   C      D
(    )7. Can you see the boxs?
             A     B   C          D
(     )8. Yo

ur bag is a green.
A B C D
( )9. Your brother look like

your father.
              A                  B    C             D
(     )10. I don't have a pen, he don't have one , either.
                  A

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单项选择题

对襟、搭襟属于衣服门襟的（）特征。

A.开口长度

B.结构

C.位置

D.扣子排列