Natural resources are very limited.They will be exhausted in the near future.It is not true.But it becomes a major concern around the world.This is a widely accepted fact.
It is a widely accepted fact that there is a major concern around the world for the exhaustion of limited natural resources in the near future,though it is unlikely to be true.
再如:
The Mississippi River is one of the longest rivers in the world,and in spring time it often overflows its banks,and the lives of many people are endangered.
The Mississippi River,which is one of the longest rivers in the world,often overflows its banks in the spring time,endangering the lives of many people.
(1)We can imagine the beautiful surroundings.(2)There are many trees along the streets.(3)There is a clean river in the city.(4) There are many fishes in the river.(5)There are willow trees on the one side.(6)There are some pieces of grassland on the other side.(7)There are many flowers on them.
(1)Just imagine the beautiful surroundings if we make our cities greener.(2)Green trees line the streets.(3)A clean river winds through the city,in which a lot of fishes abound.(4)On the one side stand rows of willow trees.(5)On the other side lies a stretch of grassland sprinkled with many yellow and red flowers.