延长焖炉时间，焦炭强度（）。A、M40提高 B、M40降低 C、M40不变 D、M1_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

延长焖炉时间，焦炭强度（）。

A、M40提高

B、M40降低

C、M40不变

D、M10提高

答案

参考答案：A

完形填空

完形填空。

A: Hello! Li Ming.
B: Hi! Wu Dong.    1    is Li Lei.    2   is my friend.
A: Nice to    3   you, Li Lei.
C: Nice to meet you,    4   .
A: Today is my   5   . I will    6    a birthday party. Will you    7    to my birthday party?
C: Sure. Happy birthday    8   you.
A: Thank you.

( ) 1. A. This
( ) 2. A. she
( ) 3. A. meat
( ) 4. A. to
( ) 5. A. birthday
( ) 6. A. to
( ) 7. A. go
( ) 8. A. for

B. that
B. He
B. meet
B. too
B. day
B. go
B. come
B. with

C. these
C. They
C. met
C. two
C. birth
C. have
C. to
C. to

单项选择题

计量器具是指能用以直接或间接测出被测对象量值的装置、仪器仪表、量具和用于统一量值的标准物质，包括计量基准器具、( )、工作计量器具。

A．工作计量器具

B．计量基础器具

C．计量基准器具

D．计量标准器具