For a rich full life of college, you shoud _______________
A. have more fun
B. study hard
C. make the most of opportunities at hand
D. take other subject
查看答案
The most important thing is to __________
A. have a certificate
B. have a good grade
C. take a course
D. have a real understanding and liking of the course you choose
Learning asks a student to be ___________
A. honest
B. proud
C. cheating
D. happy
石材的分类方法不统一，依工艺商业分类为（）、（）和（）。
料石按表面加工的平整程度又分为（）、（）、（）、（）四种。
微信支付 
支付宝支付