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1、1.2 Discovering Useful StructuresUNIT 1 重点练I. 阅读选择Not only does the use of plastic water bottles hurt your wallet , it also increases pollution and wastes energy and water .Only 23% of all plastic in America ends up in a recycling bin,meaning over $1 billion worth of plastic is treated as rubbish a
2、year. Recently, Skipping Rocks Lab has invented a kind of water bottle called Ooho.It is a convenient, clear water bottle that can either be drunk or eaten. To drink it, you can either peel off the membrane(薄膜）or tear a hole in the membrane with your teeth to pour the water into your mouth. To eat i
3、t, you simply put the whole bottle in your mouth. One problem the scientists have run into is how to ship lots of Ooho bubbles without arriving with a very wet truck. However, they have attempted to package units of individual bubbles together inside a larger and thicker membrane. It is targeting la
4、rge outdoor events such as marathons, music festivals, and sporting events, where tons of plastic bottles are used, and frequently left behind as litter. And too much plastic is sure to do harm to the environment, which could account for their purpose of such a new invention.The team has been workin
5、g for the past two years to develop the technology and materials needed to produce Ooho; they have recently applied for a patent for their new advancement. The price for an individual bubble or a unit of bubbles has not been set yet, but they cost about two cents to create a unit, which is cheaper t
6、han plastic bottles. It has appeared at events in London, San Francisco, Boston, at conferences, festivals, and so on.Ooho is catching many peoples attention and has raise over $1 million and gained 1,000 investors in only three days. It is mostly being sold at events at the moment to keep th consum
7、ers interest when the production machine is running . It quickly making a rise, so keep an eye out this year for thes bottles of the future.1.How is most plastic dealt with in America?A. Its sold. B. Its recycled.C. Its buried. D. Its wasted.2. Why did the team invent Ooho?A. To make a profit for a
8、company.B. To protect the environment.C. To make people eat as they drink.D. To reduce the cost of the plastic bottle.3.What can we infer about Ooho from the text?A . It is easy and safe to ship it in large amounts .B. It has become popular since it began to be sold.C. It might be sold at a lower pr
9、ice than plastic bottles.D. It cost the team a lot of money to develop the technology.4.What does the author really want to say in the last paragraph?A. Ooho is to be a success in the future.B. Ooho is being supported by smart people.C. Ooho is taking the place of plastic bottles now.D. Ooho is bein
10、g produced to attract more investors.II.完形填空There is a tree full of ripe plums(李子）with branches hanging over our house . Every single morning when I see plums on the ground , I am 5_ . Wow , plums ! I say to myself and look up at the 6_ , and sure enough there are plums there .I imagine the tree say
11、ing, If I put the plum here,7_ where you walk,maybe you will see it. I step over the plum on the way out and see it on my way back, thinking how often I 8 _ it and step over it. Every time I 9_ and see a plum, I feel as though someone has given me a 10_ .For me?I said to the plum tree one morning as
12、 I 11_ some plums. You could have.Maybe were supposed to offer our gifts to the world with generosity(慷慨）and love.It seems that I have a hard time 12_ that fruit falls freely from the sky. Is the tree13_ with me on purpose? Is there part of me that doesnt feel worthy of receiving 14_ plums from the
13、sky? Is life 15_ to have moments that are so sweet and easy?Sometimes it feels as though the tree were 16_to me and she were saying, For you. For you. For you. When I listen to her, I feel the 17_ of her offering, and this is when my heart breaks. Despite the18_ of a day, there can be tender, touchi
14、ng moments in nature that feel to me like theres a force out there that 19_ me refreshed(振奋的）.5.A.upsetB.surprisedC.anxiousD.calm6.A.treeB.tableC.grassD.ground7.A.exactlyB.hardlyC.graduallyD.certainly8 . A . wearB.enjoyC.missD.trust9.A.judgeB.decideC.stopD.lose10.A.troubleB.trickC.factD.gift11.A.for
15、cedB.refusedC.boughtD.gathered12.A.findingB.acceptingC.callingD.cooking13.A.pointingB.agreeingC.discussingD.sharing14.A.badB.smellyC.dirtyD.free15.A.frightenedB.allowedC.lockedD.shown16.A.arguingB.walkingC.referringD.talking17.A.generosityB.peaceC.temperD.knowled18 . A . attentionB.choiceC.pleasureD.difficulty19 . A . keepsB.hopesC.needsD.causesIII.语法填空I climbed Kilimanjar
