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1、Unit 3Science and naturePeriod OneWelcome to the unit & Reading.用适当的介、副词填空1Science is developing faster than we can _ think about it.2However，_ general the scientists were praised _ their wonderful scientific advance.3Instead，he thinks research efforts should concentrate _ creating new tissues and o
2、rgans that can be used to cure diseases like cancer.4Cloning human embryos _ the intention of destroying them shows no respect _ human life.5Some scientists are already pushing _ with research in order to produce a cloned human baby.6China has succeeded _ producing clones of cows and goats，and conti
3、nues to research ways _ which cloning can benefit mankind.7If we toy _ nature，we will have to deal with the consequences.8I would like to comment _ your article，“The perfect copy”9When reading articles about science，we often come _ difficult scientific terms.10For this reason，I also dont accept the
4、idea of cloning humansmankind is not ready _ this.佳句翻译与仿写1On the one hand，some scientists point out that.On the other hand，many people，including some scientists，disagree and are afraid that.翻译：_仿写：一方面，天然气造成的污染较少；另一方面，天然气仍比其他能源便宜。_，natural gas causes less pollution； _，natural gas is still cheaper tha
5、n other energy resources.2The first mammal to be cloned successfully from an adult cell was Dolly the sheep.翻译：_仿写：那是那年上演的第一场戏。_3China has succeeded in producing clones of cows and goats.翻译：_仿写：宇航员们按计划成功地从月球返回到地球。The astronauts _ according to the plan.4If I were the President of Italy，I would think
6、about taking away his licence.翻译：_仿写：如果我有这个机会，我就会立即克隆她以便我又能和她在一起。_ so that I could be with her again.单项填空1Do you think it would be a good idea to clone humans_？Asome a day Banother dayCthe other day Dsome day2If I_the chance，I_a cloned baby right now.Ahave；will have Bhave；would haveChave had；will ha
7、ve Dhad；would have3Severino Antinori，an Italian physician，_that he wants to be the first to clone a human being.Adeclares Bdeclared Chas declared Dhad declared4In China，scientists have focused their efforts on cloning animals，as well as cloned tissues_in medical treatment.Aused Busing Cto be used Db
8、eing used5China has_clones of cows and goats，and continues to research ways_cloning can benefit mankind.Asucceeded to produce；thatBmanaged to produce；whichCsucceeded in producing；in whichDmanaged in producing；/6There are many children_with no parents_would be delighted to have a mother.Aon the world
9、；they Bon the earth；whichCin the world；who Don earth；that7I think the scientific advances_in your article are fantastic!Amentioning BmentionedCbeing mentioned Dto mention8I am in complete agreement with human cloning._，scientists_moral ideas for centuries.AAbove all；have challengedBFirst of all；are
10、challengingCAfter all；have been challengingDIn all；had challenged9On a_note，cloning would totally transform my life.Aprivate Bpublic Cown Dpersonal10You will often be amazed to discover_confused you at first makes sense upon further readings.Athat it Bwhat that Cthat what Dwhat it.阅读理解Space travel i
11、s definitely bad for astronauts bones，reducing their bone density(密度)after only a month of weightlessness，according to a French research published on Friday.Laurence Vico and his fellow workers at St. Etienne University called for more research into the effects of microgravity，after their study of 15 astronauts from the Russian MIR station showed bone loss continued throughout space flights.“Bone loss was especially striking in four astronauts，”the scientists reported in the Lancet Medical Journal.They measured the bone mineral density(BMD) of bones in
