《煤矿安全规程》规定：维修倾斜井巷时，（）上、下段同时作业。
A、不得
B、严禁
C、允许
D、没特殊要求
参考答案：B
—Is _______ ready for the picnic?
—No, _______ is wrong with my bike. I can’t go bike riding with you.
A．something; something
B．everything; something
C．anything; something
D．anything; everything
常山善治（）
A.湿热黄疸
B.疟疾
C.风眼赤烂
D.口疮
E.疮疡
