第一部分听力（11分）
I.听录音，在A、B、C三个选项中选出你所听到的句子。（句子念两遍）（共3小题，每小题1分）
( ) 1. A. Doctors warn people to drink more water in this season.
B. Doctors advise us to drink more water in this season.
C. Doctors advise people to drink more water in this season.
( ) 2. A. Mr. Smith will give a lecture tonight at the stadium.
B. Mr. Smith will give a speech tonight at the stadium.
C. Mr. Smith will give a lecture today at the stadium.
( ) 3. A. I’ve collected a series of new stamps.
B. I want to collect a series of new stamps.
C. I’ve collected a lot of new stamps.
