Module 4 Great Scientists-Section.单词拼写1Some s_ of animals have become extinct because they could not adapt to the changing environment.2The man was one of the great f_ in history.3The writer was e_ at a very good school when he was young.4That building has been c_ into a school.5He has p_ quite a lot of articles.6We aim at _(质量) rather than quantity.7China is an _(农业的) country.8The new city，Brasilia，_(取代) Riode Janeiro as the capital of Brazil in 1960.9China _(出口) things to many countries and regions.10The desert climate _(支持) little plant life.用方框中所给单词或短语的适当形式填空bring upbe interested inthe key toany otherbreakthroughas a result ofrefer tobring insearch forsupport1Tom is taller than _ boy in his class.2Surgeons have made a great _ in the kidney transportation.3The author begins by _ the early history of India.4I must _ that lost wallet until I find it.5Just then a whitehaired old woman entered，_ by a girl.6_ these movements，the trade unions continued their wartime growth.7John was born in Texas but _ in Okalahoma.8They _ what was going on in the art world.9We should _ new technology.10We must find _ solving the problem.单项填空1The data from the satellite was enough for the computer model to_ that the tsunami was smaller and less destructive.Acheck out Bturn outCmake out Dfigure out2The policeman _ a thief caught _ in the supermarket.Abrought up；stealing Bbrought in；stealingCbrought out；stolen Dbrought on；stolen3If you really have to leave during the meeting，youd better leave _ the back door.Afor BbyCacross Dout4He _ all his money，and as a result，he had to _ delivering milk door to door.Aused up；make a life withBran out of；make a living byCran out；make a living withDused up；make a life by5The old lady came in，_herself with a walking stick.Alifting BraisingCsupporting Drising6The United States _ many kinds of machinery.Aexports BextractsCexists Dexecutes7Large quantities of cotton _ shipped all over the world already while a large quantity of bamboo baskets _ going to be exported to some western countries.Ahave been；is Bhas been；areChave been；are Dhas been；is8Jenny nearly missed the flight _ doing too much shopping.Aas a result of Bon top ofCin front of Din need of9Credit cards have largely _ cash，for they are widely accepted everywhere.Aexchanged BreducedCreplaced Ddeveloped.阅读理解Researchers from 25 countries have made a genetic map of a cow.Better understanding of what makes a cow a cow could lead to better milk and meat production.It could also help the drug industry.The Bovine Genome Sequencing(牛基因组测序) Project found that the cow genome contains at least 22 000 genes.Most of these are shared among humans as well as mice，rats and other mammals used for comparison.Mice and rats are commonly used to test new medicines.But the study shows that cows are more similar to humans than to mice or rats.Project scientist Harris Lewin from the University of Illinois predicts there will be more laboratory cows in the future.He says millions of years ago，domesticated(驯养的) cattle separated from a common ancestor that led to humans.A related report looked at genetic changes in cattle over time.More than 250 000 years ago，the bovine family tree divided into two major groups.Taurine cattle have no hump(峰) on their back.They are most commonly found in Europe，Africa and East and West Asia，as well as the Americas.Indicine cattle have a hump and are found in India，South and West Asia and East Africa.Humans started to domesticate wild cows about 800010 000 years ago.Scientists examined several breeds and say the cattle genome appears to show evidence of this selective reproduction.Today there are more than 800 breeds of cattle raised for different reasons.But some people are concerned that breeding has reduced genetic differences among cattle.This could make it easier for disorders to affect a large number of animals.The scientists say the current level of diversity within cattle breeds is at least as great as within humans.And they say the new genome will make it possible to better protect genetic diversity.Yet there may be more questions to settle about what exactly makes a cow a cow.1Which of the following may project scientist Harris Lewin agree with?AHumans dont share any common genes with mice.BMice share the most common genes with cows.CCows and humans share fewer common genes.DCows and humans share