10.(1)What is the relationship between the speakers? A.Classmates. B.Teacher and student. C.Doctor and patient. (2)What does Andy ask Sally to do? A.Make a call to Mr.Smith. B.Take him to the hospital. C.Hand in the homework.
11.(1)Why is the dad late? A.He has to fix up the car. B.He has to pick up friends. C.He has to get some food. (2)When will they meet tonight? A.At 6:00. B.At 7:00. C.At 8:00.
12.(1)How old is the man? A.20 years old. B.30 years old. C.40 years old. (2)Where are the speakers talking? A.At a restaurant. B.At a school. C.At a supermarket.
45.Hundreds of years ago,life was much harder than it is now.People had no(1)
['m?dn] machines. The increase of population and the development of industry have(2)
(bring)new problems.One of the biggest(3)
is pollution.Waste water has make our rivers and lakes dirty.It kills our fishes and affects our drinking water(4)
(serious) .Noise pollution makes us talk louder and louder.And air pollution is one of the most serious pollution,too.It affects(5)
['evr?θ??] in the world. Cars,planes and factories all pollute our air every day.At times the pollution is so thick(6)
it's like a quilt(被子)over a city.This kind of quilt is called smog(煙霧). Many countries are making new laws to fight(7)
[?'genst] pollution.Factories now must clean their water(8)
it is thrown away and they mustn't blow dirty smoke into the air. We need to do many other things.We can put waste in the dustbin and not throw it around.We can go to work by bus or with our friends in the same car.If there are(9)
(few)people driving ,there will be less pollution. Laws are not good(10)
.Every person must help to solve pollution problems.