Module 2 Unit 4第3题详细解答过程和答案
world，danger，disappear， homes，forests，pollute，live，medicines，do something，Never，Plant trees，save
Module 2 Unit 4第4题详细解答过程和答案
（1）Would you like to live in a world with no trees or flowers?
（2）He bought these and many other toys.
（3）One problem is that our house is too small for 20 children.
（4） Don't buy things made from animals in danger.
（5）The old people have no place to live in
（6）If we plant trees every year we will have a forest in ten years.
Module 2 Unit 4第5题详细解答过程和答案
（1）
（2）
（3）
（4）
other
danger
polluted
made
（5）
（6）
（7）
（8）
lose
disappeared
save
about
Module 2 Unit 4第6题详细解答过程和答案
（1）cut down
（2）then on，with no
（3）live in
（4）made from
（5）in danger
（6）these，many other
Module 2 Unit 4第7题详细解答过程和答案
发表于 2017-7-29 12:10:23
