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1、（江苏专用）2016届高考英语一轮复习Unit1Laughterisgoodforyou课时跟踪检测B卷（选修6）Laughter is good for you课时跟踪检测B卷.完形填空(2015南京师大附中高三模拟)Optimism and pessimism are both powerful forces.Each of us must choose which we want to _1_our future and our expectations.We can choose to laugh or cry, bless or _2_.Its our decision：From w
2、hich perspective do we want to view life？Will we look up in _3_or down in desperation？I believe in the upward look.I choose to _4_the positive and skip right over the negative.An optimistic attitude is not a luxury; its a(n)_5_.The way you look at life will determine how you feel, how you perform, a
3、nd how well you will get along with other people._6_，negative thoughts，attitudes，and expectations _7_themselves; they become a selffulfilling prophecy (预言)Pessimism creates a dark place where no one wants to live.Years ago，I drove into a service station to get some gas.It was a beautiful day, and I
4、was feeling great.As I walked into the station to pay for the gas, the attendant said to me，“How do you feel？” That seemed like a(n)_8_question, but I felt fine and told him so.“You dont look well，” he replied.This _9_me completely by surprise.A little _10_confidently, I told him that I had _11_felt
5、 better.Without hesitation, he continued to tell me how bad I looked and that my skin appeared yellow.By the time I left the service station, I was feeling a little _12_.About a block away, I _13_over to the side of the road to look at my face in the mirror.How did I feel？Was I affected with jaundic
6、e (黄疸)？Was everything all right？By the time I got home, I was beginning to feel a little nauseous (恶心) .Did I have a bad liver？Had I _14_ some rare disease?On another beautiful day，when I went into that gas station，feeling _15_again，I figured out what had happened.The place had recently been painted
7、 a bright，distasteful _16_，and the light reflecting _17_the walls made everyone inside look as though they had hepatitis (肝炎)！I wondered how many other folks had _18_the way I did.I had let one short conversation with a total _19_change my attitude for an entire day.He told me I looked sick, and bef
8、ore long, I was actually feeling sick.That single _20_observation had a great effect on the way I felt and acted.The only thing more powerful than negativism is a word of optimism and hope.When a whole culture adopts an upward look, incredible things can be accomplished.1A.shapeBdecideCpreview Dtran
9、sform2A.forgive BcurseCpraise Dregret3A.vain BangerCaction Dhope4A.highlight BanalyzeCevaluate Dintroduce5A.necessity BopportunityCquality Didentity6A.Actually BConsequentlyCAccordingly DContrarily7A.rely on Bfeed onCgo on Dtake on8A.familiar BordinaryCodd Deasy9A.got BtookCstopped Dmade10A.more Ble
10、ssCquite Dtoo11A.never BeverConce Dalways12A.uneasy BunconcernedCunsatisfied Dunaffected13A.got BcameCtook Dpulled14A.come up Bbrought upCpicked up Dput up15A.fine BupsetCsick Dcalm16A.gray BblueCyellow Dred17A.in BoverCoff Dthrough18A.quit BadaptedCanswered Dreacted19A.liar BonlookerCattendant Dstr
11、anger20A.positive BnegativeCcareful Drigid.阅读理解(2015徐州第三次质检)The evolution of the first animals may have oxygenated (供氧) Earths oceans. New research led by the University of Exeter challenges the long held belief that oxygenation of the atmosphere and oceans was a precondition for the evolution of co
12、mplex life forms.The study, published in the journal Nature Geoscience, builds on the recent work of scientists in Denmark who found that sponges (海绵动物) the first animals to evolve require only small amounts of oxygen.Professor Tim Lenton of the University of Exeter，who led the new study, said: “We
13、argue that the evolution of the first animals could have played a key role in the widespread oxygenation of the deep oceans. This in turn may have facilitated the evolution of more complex, mobile animals.”Critical to determining oxygen levels in the deep ocean is the balance of oxygen supply and de
14、mand. Demand for oxygen is created by the sinking of dead organic material into the deep ocean. The new study argues that the first animals reduced this supply of organic matter both directly and indirectly.Sponges feed by pumping water through their bodies，“digesting”the tiny particles of organic m
15、atter，and thus helping oxygenate the shelf seas that they live in.By oxygenating more of the bottom waters, the first animals actually increased the removal of the essential nutrient phosphorus (磷) in the ocean.This in turn reduced the productivity of the whole ocean ecosystem, lowering oxygen demand and thus oxygenating the deep ocean.A more oxygenrich ocean created ideal conditions for more complex mobile animals to evolve, because they have a higher req
