(2019版)新人教版选择性必修第二册专项突破之阅读理解2(含答案).docx
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1、reading comprehensionAMaple and oak trees with branches full of seeds at the end of summer gotAmerican plant expert Lee Reich thinking about how trees grow.He remembers how,a few years ago, he decided to drop an apple seed into some soil he had placed in asmall container. Reich imagined his small se
2、ed would turn into a beautiful apple tree.But, it didnt work out. The seed germinated and started growing. But then, it stoppedgrowing when it was just 10 centimeters tall.How come?Reich said most seeds thatcome from colder parts of the world need special treatment before they will grow. Hefound out
3、 that he was lucky his seed grew at all!Reich now knows how to grow a treefrom seeds. When those seeds fall from the branches of tall trees, they cannot startgrowing right away. Reich noted that the young trees would die during the cold winterif they start growing immediately.So, most seeds know how
4、 to stay asleep during thewinter until warmer weather comes. That is when they can grow well. But, if you donot want to wait all winter for your seeds to grow, Reich has some suggestions.1. Reichhis small seed would turn into a beautiful apple tree. But, it didnt workout.A.imaginedB.imagineC.thinkD.
5、 thinking2. He found out that he was lucky his seed grew at all!Reich nowhow to grow atree from seeds.A.matchB.knowC.knowsD. did3. That is when they canwell.A.GrowB.goC.knowsD. sit4.How tall when it stop growing ?A.10centimetersB.11centimetersC.12centimetersD. 13centimetersBTo get water inside the s
6、eed, you need to nick them with a small, sharp object.The other way to soften a seeds hard shell is to put them in soil and leave them in awarm room for two or three months. Then you can begin stratification.Once the seedsare stratified and conditions are right, they will start to grow roots. For su
7、gar mapletrees it might take three months. For apple seeds, it might take only two months.ButReich shares a warning. Dont forget about your stratifying seeds! One week, he said,they could be asleep. The next week, they could have fat, white roots. Once yourseeds start to grow roots, you can put them
8、 in a container, or pot. Or, if you are notready, keep them somewhere cool until you are ready to plant them outdoors.Reichnoted that some people may wonder what the point is of all this trouble when you canjust buy a small tree at a garden center.Youre a gardener, you like to grow plants,he explain
9、ed.Reich also said how satisfying it is to after many years at a tall tree thatyou once started from just a seed.1. Then you canstratification.A.startB.beginC.beginsD. go2. Once your seedsgrow roots, you canput them in a container, or pot.A.start toB.beginC.beginsD. nearly3. For apple seeds,How long
10、 will it take ?A.neverB.only one monthsC.only two monthsD. only 3 months4. When will they have fat, white roots?A.3 daysB. the next weekC.5daysD.AmonthCThe containers of tulip flowers in storage at Henk van der Slots farm in TheNetherlands were supposed to go to Vatican City. The Roman Catholic Chur
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