为提高沥青混凝土路面初始压实度，应选择适宜的熨平板振捣或夯实_爱下问搜题

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问题多项选择题

为提高沥青混凝土路面初始压实度，应选择适宜的熨平板振捣或夯实装置的振动参数，以下参数正确的是()。

A.频率

B.激振力

C.振幅

D.自重

E.行驶速度

答案

参考答案：A, C

完形填空

完形填空。

Tom: Hello! Lin Tao.
Lin Tao:   1  ! Tom.
Tom: How are you?
Lin Tao:   2  ,  3  .  4  you?
Tom: I'm fine,  5  .
Lin Tao: Look! My teacher,Mr Chen is coming. Good morning! Mr Chen.
Mr Chen: Good morning! Lin Tao.
Lin Tao: Mr Chen,   6  is my friend,Tom.
Tom, this is my teacher, Mr Chen.
Tom: Hello. Mr Chen. Nice  7  meet you!
Mr Chen: Hello! Nice to meet you,  8  . Welcome  9  our school.
Tom:   10  very much.

( )1. A. Good morning
( )2. A. fine
( )3. A. Thank
( )4. A. How
( )5. A. too
( )6. A. He
( )7. A. too
( )8. A. too
( )9. A. too
( )10. A. Thank you

B. Good afternoon
B. I fine
B. thank
B. And
B. to
B. he
B. ／
B. to
B. to
B. Thank

C. Hello
C. Fine
C. Thanks
C. Are
C. two
C. This
C. to
C. two
C. come
C. Like

D. Oh
D. I'm Fine
D. thanks
D. and
D. now
D. this
D. two
D. please
D. you
D. OK

填空题

从正方体的八个顶点中任取三个点为顶点作三角形，其中直角三角形的个数为_______。