每题的备选项中，只有1个最符合题意。 (一) 矿山安全技术老顶_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

每题的备选项中，只有1个最符合题意。

(一) 矿山安全技术

老顶是位于直接顶之上较硬或较厚的岩层。老顶压力显现分为( )级。

A．2

B．3

C．4

D．5

答案

参考答案：C

完形填空

完形填空。

     I'm a girl. This is a photo of my family. This is my grandmother.  1  name is. That is my grandfather.
2 names is Tom.  3 is my mother. She is  4 . My father is a 5 . Look! My  6 and I are playing games
on the  7 . His name is Jimmy. He is ten. He is a  8 . We live in  9 Road. My phone number is  10 .

( )1. A. Its
( )2. A. His
( )3. A. This
( )4. A. a teacher
( )5. A. work
( )6. A. boy
( )7. A. table
( )8. A. worker
( )9. A. ZhongShan
( )10. A. here

B. Her
B. Father
B. He
B. a man
B. farm
B. brother
B. floor
B. teacher
B. zhongShan
B. 825--99885

C. Mother
C. My
C. It
C. a girl
C. driver
C. child
C. house
C. student
C. ZhongShan
C. there

单项选择题

地面遥测GPRS方式通过GPRS通道往（）发送调度命令。

A、机车

B、编码器

C、GCMR

D、CIR