Bob：Good morning,Kim.

Kim：Good morning.

Bob ： 1 It can save a lot of time.

Kim：Well,I prefer walking to driving a car.

Bob:Mm. It’s good for health and the environment.

Kim：Yes. The environment is very important for us. 2 

Bob：Yeah,right. What else can we do?

Kim：For example,you’d better not buy clothes made of animal fur.

Bob：I agree with you. 3  Anything else?

Kim: Don’t use plastic bags.

Bob ： 4 

Kim：Yes,they are really useful for us. But they pollute our environment.

Bob： 5 

Kim： We can use cloth bags instead of plastic bags.

Bob:  That’s a good idea. Oh,it’s too late. See you!

Kim ： See you!Bye!

   A. Everyone should do something for it.

   B. Why don^ you drive to work?

   C. It’s helpful in protecting plants.

   D. It’s a good way to protect animals.

   E. But don't you think they are really convenient in our daily lives?

   F. Why do you go to work in a car?

   G. How can we carry things after shopping,then?

1.       2.       3.       4.       5.      

3. Listen!How        (noise) it is outside!

4. Jimmy barked        (happy) .

1. He is the        (two) student to arrive at school.

2. They couldn’t find        (they) way in the snow.

5. We get       (羊毛) from sheep.

6. Cats can       (捉老鼠) .

7. Elephants can       (搬木头) .

3. 1 think       (搜救犬) is a useful dog. It rescues people in danger.

4. We get milk from       (奶牛) .

2. 1 think        (警犬) is       (有用的动物) .It can help police       (捉小偷) .

1. 1 think a guide dog is a very       (有用的) animal. It can       (领盲人) to some places.

5. 你经常爬山吗？

Do you often                    ?

4. 吉米一路把我们领到这儿。

Jimmy       us                     here.

3. 他们到了山脚下。

They arrived                           a mountain.