To catch the main idea of a lecture, you should pay attention to:

A.everything the lecturer says

B.the title of the lecture

C.the beginning and the end of the lecture

D.the questions raised by the lecturer and the answers offered

E.word chains

F.stressed words

正确答案：the title of the lecture；the beginning and the end of the lecture；the questions raised by the lecturer and the answers offered；word chains；stressed words