1．（1）How can frozen food be kept cold at ordinary temperatures？
A.By using bags.
B.By using water.
C.By using paper.
（2）What is advised to do when camping？
A.Use special dry foods.
B.Never cook meat or eggs.
C.Keep milk in a cooler box.
（3）What is the passage mainly about？
A.How to pick up fresh food.
B.How to eat healthily in different weather.
C.How to keep food from going bad in summer.

2．（1）What is the speaker mainly talking about？
A.How to go to universities as players.
B.How to improve sports results.
C.How to make videos.
（2）Who is the speaker talking to？
A.Teachers.
B.Parents.
C.Students.
（3）What will the speaker do first？
A.Show a video.
B.Hand out posters.
C.Answer some questions.

3．（1）What prevented Adam from completing the race probably？
A.Lack of training.
B.The hot weather.
C.His disease.
（2）When will the men's 50-kilometer race walk final in Tokyo begin？
A.At 5：30 am.
B.At 6：00 am.
C.At 6：30 am.