[问答题]Trees need water to grow.
[问答题]Trees need water to grow.
[单选题]Farmers use water in many ways.______, they use water to grow crops.A.In fa
[单选题]Farmers use water in many ways. ________, they use water to grow crops.A.In
[单选题]第三部分:词汇与语法Farmers use water in many ways.______, they use water to grow cro
[单选题]There are many trees on ______side of the river.A.bothB.eitherC.allD.a
[单选题]Trees____fightairpollution.Theyarenaturalairconditioners.A.shouldB.mustC.needD.can
[单选题]A.lthoughtheyplanttreesinthisareaeveryyear,thetopsofsomehillsarestill_______.A)blankB)hollowC)vacantD)bare
[单选题]On ________ side of the street there are some trees.A.bothB.eitherC.everyD.
[单选题]Passage ThreeTrees should only be pruned (修剪) when there is a good reason for doing so. Many gardeners believe that more damage results from doing it unnecessarily than from leaving the tree to grow in its own way.F.irst, pruning may be done to make