Trees are useful to men in three important ways:They p 1 them with wood andTrees are useful to men in three important ways:They p 1 them with wood and other products,they give them shade,and they help to p 2 drought and floods.Unfortunately（不幸

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Trees are useful to men in three important ways:They p 1 them with wood and
Trees are useful to men in three important ways:They p 1 them with wood and other products,they give them shade,and they help to p 2 drought and floods.Unfortunately（不幸运地）,in many p 3 of the world,men don’t know that the third of these is the most important.In their eagerness（渴望） of making m 4 from trees,some people cut trees down in large n 5 reserves.And besides,they are usually too c 6 to plant and look after new trees,so the forests slowly b 7 smaller and smaller.This does not only mean that men will have fewer trees.The results are e 8 more serious:For where there are trees,their roots(根) prevent the rain from washing away the soil,but there are no trees,the rain falls on hard g 9 and flows away,causing f 10 and carrying away the rich top-soil（地表土）.When all the top-soil is gone,nothing remains（剩下） but death.

Trees are useful to men in three important ways:They【1.provide】 them with wood and other products,they give them shade,and they help to【2.prevent】drought and floods.
Unfortunately ,in many【3.parts】of the world,men don’t know that the third of these is the most important.In their eagerness of making【4.money】from trees,some people cut trees down in large【5.natural】 reserves.And besides,they are usually too【6.careless】to plant and look after new trees,so the forests slowly【7.become】smaller and smaller.This does not only mean that men will have fewer trees.The results are【8.even】more serious:For where there are trees,their roots prevent the rain from washing away the soil,but there are no trees,the rain falls on hard【9.ground】and flows away,causing【10.floods】and carrying away the rich top-soil.When all the top-soil is gone,nothing remains but death.

1provide2prevent3parts4more5 6cruel7become8even9 10flood 不好意思，有两空暂时没有想出来。

What are trees useful for?英语答.越多越好 Trees are useful for many things.同义句转换!急用, Did Benny f_______ daisy?再问问we can change electricity into different f_______ of energyit is bad manners to f_______ the old.A__________ all of the invention are useful.protecting trees is very useful for m________ Trees are useful to men in three important ways:They p 1 them with wood andTrees are useful to men in three important ways:They p 1 them with wood and other products,they give them shade,and they help to p 2 drought and floods.Unfortunately（不幸 To play basketball and to go swimming are useful.改错! Trees are useful to man mainly in three ways,the most important of which is that they接can protect ______ from droughts (干旱) and floods.A.it B.itself C.himself D.him答案为什么是D Trees are useful to man.They provide him with food and——products.A any B many C other D some填什么?为什么?这句话怎么翻译? There are twenty more trees to be planted.There are _______ _______ trees to be planted. hens are really useful to people because they can I______eggs. _____(encyclopaedia) are important for us to find useful information. please take of your books .they are useful to you many thousands of trees 和several hundred students的问题1：many（）trees should be planted on the mountains.A:thousand B:thousand of C:thousands D:thousands of2:in our school several( )students are able to search the internet for useful infor 用简单的英语解释下列句子:1.Why are you so interested in trees?2.Wood,rubber and paper all come from trees.3.Three trees can do the job of 15 air conditioners.4.Trees pass each other food and water.5.Are trees in danger 6.Trees are useful Trees are very important to people.(划线部分提问) 划得是Trees ____________________________________ Trees are important _______ us.Planting trees is important _______ us.应该填to,还是for Important trees people are to very(连词组句) Millions of trees are being cut down to make paper. There are some trees (n )to their house.