问题
lecture, the professor told his students how to write an ______ of a graduate paper, expressing the main argument.
A:account
B:abstract
C:application
D:address;
B:abstract
C:application
D:address;
正确答案是：
同类题型
I will treat you_____ McDonald’s, because you treat me_____ your_____ friend. [ ]
Nick, ____ you ____ my book–Sorry, I came here just now .
It is better to ____ the lights before you leavehere.
Youshould never base anything on atheory that _________ impractical in practice
The number of students in our school____about 30,000 and ______them study hard.