国际单位制中,压力的单位名称是(),单位符号是()。
参考答案:帕;Pa。
从方框中选择合适的选项完成对话。
Peter: __1__
Linda: I'm going to be a teacher when I grow up.
Peter: __2__
Linda: I'm going to work harder in school this year. And I'm going to get a part time job.
Peter: __3__
Linda: I want to put some money in the bank. I'll need money for college. __4__
Peter: I want to work as a reporter.
Linda: That sounds great!
A. What are you going to do this year?
B. Linda, what are you going to be when you grow up?
C. What kind of job do you want?
D. Why are you going to get a part-time job?
井下工作面有积水时,常用的炸药有()。
A.硝铵炸药
B.水胶炸药
C.硝化甘油炸药
D.乳化炸药
E.抗水铵锑炸药