一篇英语阅读,求老师,

一篇英语阅读,求老师,
Many years ago,there were lots of trees on the carth.That's because summer went on all year round and it was very wet.A forest covered the earth like a green carpet.What was the forest like?it is not difficult to find out because parts of the rain forest.There even in fine weather,water falls in drops through the leaves.
The largest of todays's rain forest is in South America.it covers about a millon square miles.All the trees are very tall.The young trees are up tp 60 feet high,but it is not easy for some trees to grow taller because very littlesunlight gets to them.
the grown-up trees are about 60 to 100feet high.Some are even taller.The tallest treescan be 200 or more feet high.in this forest of tall trees,not only plant life is rich but also animal life.All different heights live different animals.By the noises they make you know they are there.
( )1.Millions of years ago,there were lots of trees because the weather was wet and ____
A.dry B.hot C.cool D.cold
( )2.Why is it not easy for some young trees to grow taller in the rain forest?
A.There is a lot of rain.
B.The weather is bad.
C.The soil is pool.
D.The tall trees keep back the sunlight.
3.The tallest trees can grow up to ____ feet high.
A.below 60 B.over 60 C.over 200 D.below 200
4.Why does water fall in drops in fine weather through the leaves?
A.It still rains in fire weather.
B.The trees give out water all the time.
C.The trees are too thick for the rain to fall down.
D.It is a forest making rain.
( )5.What's the best title for this passage?
A.The Rain Forst in South America
B.The Oldest Trees on the earth
C.Why does the rain forest grow so tall
D.Planting trees on the earth