听一段材料，回答下面几个小题。What are the two speakers talking about?
A.Thunder and sound.
B.Thunder and lightning.
C.Thunder and science.Why is the man unlikely to see lightning?
A.He is asleep.
B.He is reading a science book.
C.Perhaps lightning is far away.
What does the woman mean?
A.The homework can’t be due in two days.
B.She hasn’t finished her homework yet.
C.She doesn’t expect it to come so soon.
听一段材料，回答下面几个小题。What service is being advertised?
A.Carpet cleaning.
B.Food service.
C.House repair.What is the cost of the service if customers call now?
A.$4.49.
B.$25.46.
C.$ 29.95.Who is most likely to call for the service?
A.Master Cleaners.
B.Repair workers.
C.Housewives.
听一段材料，回答下面几个小题。.Where are the two speakers?
A.In the USA.
B.In Europe.
C.In China.Why is there no national health insurance here?
A.The government hasn’t realized its importance.
B. The people don’t think the government can do it better.
C.The government hasn’t paid enough money for it.What does the man think of having good insurance?
A.Expensive.
B.Unnecessary.
C.Important.
听一段材料，回答下面几个小题。What’s the relationship between the two speakers?
A.Friends.
B.Shop assistant and customer.
C.Waitress and customer.What happened to the man’s records?
A.He lost them in Canada.
B.He sent them to his sister.
C.He broke them accidentally.How much is each of the record?
A.￡4.5.
B.￡1.5.
C.￡4.05.
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