牙轮钻头以()方式破碎岩石。
A、冲击
B、压碎
C、剪切
D、冲击压碎-剪切
参考答案:D
某油田2006年12月份生产原油10500吨,其中已销售8000吨,自用1500吨(不是用于加热、修井),另有1000吨待销售。该油田当月应纳资源税( )元。(该油田适用单位税额每吨18元)
A.27000 B.144000 C.171000 D.180000
Speaker A: I wish you wouldn't have your TV so loud.Speaker B: ______
A.I think so too. I will follow your advice.
B.Sorry! Were you trying to sleep
C.Yes, I'm terribly sorry. I didn't mean to disturb your study.
D.All right. I will turn it down.