听一段材料，回答下面几个小题。What kind of passage have you just heard?
A. A public lecture.
B. A radio announcement.
C. A government statement.What is the main purpose of the event?
A. To increase people's sense of environmental protection.
B. To invite people to join an environmental organization.
C. To persuade families to have an outing in the mountains.How many trees are going to be planted today?
A. 700.
B. 2000.
C. 4000.What does the speaker advise volunteers to do?
A. To learn some tree-planting skills.
B. To come along any time they like.
C. To bring along their gloves.
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.
听一段材料，回答下面几个小题。What does the man show to the woman?
A.His visa.
B.His ID card.
C.His passport.What does the woman suggest the man do?
A.Take his luggage with him.
B.Carry less luggage.
C.Check his luggage.Where are the speakers?
A.At a bus stop.
B.At an airport.
C.At a railway station.
听一段材料，回答下面几个小题。What does the man cook for dinner?
A.A pizza.
B.A hamburger.
C.A sandwich.What does the woman think of the food?
A.Very delicious.
B.Too salty.
C.A little spicy.Where will they probably have their dinner?
A.At home.
B.At a restaurant.
C.In the man’s office.
What do we learn from this conversation?
A.The man won’t go to the concert.
B.The woman will go home for dinner.
C.The man and the woman will eat together.
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