(上海)牛津版九年级上册Unit7 Listening.ppt
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1、Plant apple treesPlant apple trees Do you know how to plant apple trees?The first thing that you need to grow apples is a long-term commitment.Growing apples takes considerable time and quite a bit of work.Apple trees need to grow in full sun,which means they need at least six hours of sunlight each
2、 day.Although apple trees live in various soil types,they prefer sandy loam to sandy clay loam with a PH of about 6.5.You probably wonder why you need two trees to grow apples.Apple trees cannot pollinate(传授花粉)themselves.This means that even the most hard-working bees cant persuade two trees of the
3、same variety to bear fruit.Apple trees grow from seeds,but they take several years and a significant(大量的)amount of planting to produce an apple harvest from seed.When selecting trees from a catalog or Internet site,you need to compare different types you will buy.How high your tree grows also depend
4、s on the type of tree you plant.Standard trees may reach 20 feet in height or more.Answer the following question.Why do you need two trees to grow apples?Because apple trees cannot pollinate themselves.understanding the sequence of eventsWhen you listen for the sequence of events,you should do the f
5、ollowing.Look at the pictures quickly and get an idea about how the pictures change.Pay attention to verbs of action to grasp what is going on at this moment.Find the picture to match the description.A Listen to the account of the life of a“strangler Listen to the account of the life of a“strangler
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