根据AQ1029—2007标准要求,H形通风方式的采煤工作面回风侧距回风口()米处设置甲烷传感器T2。
A、3~5
B、5~10
C、10~15
D、15~20
参考答案:C
句型转换(15分),每空1分。
1. My father works on a farm.(变一般疑问句)
your father on a farm?
2. What do you think of the yellow dress?(改成同义句)
do you the yellow dress?
3. His mother is a nurse.(加doctor构成选择疑问句)
his mother a nurse a doctor?
4.. It is 9:30 now.(就划线部分提问)
is it now?
5. She doesn’t have any pears.(变肯定句)
She _____ _______ pears.
6. We play volleyball.(改为以Let开头的句子)
______ ______ volleyball.
7. Can I help you?(改成同义句)
What_____ I ______ _____ you?
伴热管与主管道采用( )安装,并应自行排液。
A.水平
B.平行
C.垂直
D.交叉