发生一般性井喷,72小时内重新建立了井筒压力平衡的事故称为()级井控事故。
A.Ⅳ;
B.Ⅲ;
C.Ⅱ;
D.Ⅰ。
参考答案:A
用所给单词的适当形式填空。
1. My brother is two years _____________ (old) than me.
2. Tom is as _____________ (fat) as Jim.
3. Who is _____________ (thin), you or Helen? Helen is.
4. Does Nancy sing _____________ (well) than Helen? Yes, she does.
5. Which is _____________ (heavy), the elephant or the pig?
6. Whose pencil-box is _____________ (big), yours or hers? Hers is.
7. You have seven books, but I have _____________ (many) than you. I have ten.
8. I jump _____________ (far) than some of the boys in my class.
9. I'm very tall, but she's _____________ (tall) than me.
10. It gets _____________ and _____________ (warm) when spring comes.
阅读以下课后作业设计,按要求回答问题。简要比较《阿房宫赋》与《过秦论》在写法上的异同。提示:赋是介于诗和散文之间的一种文学样式,所以它的文学色彩更浓一些,在行文上更注重描写、铺陈、夸饰等文学手法的运用。《过秦论》严格说应是一篇史论,它应以史为依据、基础。对上述作业设计分析不恰当的是()。
A.有利于提高学生探究能力
B.适时点拨,有利于学生思维发散
C.有利于培养学生搜集资料的能力
D.作业单一,没有层次性