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1、 精品资料高中同步创优单元测评 A 卷 英 语班级：_姓名：_得分：_Unit 3Life in the future名师原创基础卷(时间：90分钟满分：100分)第卷第一部分：阅读理解(共两节，满分18分)第一节(共4小题；每小题2分，满分8分)阅读下面短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项。The plan：turn Mars into a blue world with streams and green fields，and then fill it with creatures from the earth.This idea may sound like so
2、mething from a science fiction，but it is actually being taken seriously by many researchers.This suggested future for the “red planet” will be the main topic for the discussion at an international conference hosted by NASA this week.Leading researchers as well as science fiction writers will attend
3、the event.It comes as NASA is preparing a multibilliondollar Mars research program.“Turning Mars into a little earth has been a topic in science fiction，”said Dr Michael Meyer，NASAs senior scientist for astrobiology (天体生物学)“Now with scientists exploring the reality，we can ask what the real possibili
4、ties of changing Mars are.”Most scientists agree that Mars could be turned into a little earth although much time would be needed to achieve this goal.But many experts are shocked by this idea.“We are destroying our own world at an unbelievable speed and now we are talking about ruining another plan
5、et，”said Paul Murdin，of the Institute of Astronomy，Cambridge，UK.Over the past months，scientists have become increasingly confident that they will find Martian life forms. Europe and Americas robot explorers have found proof that water，mixed with soil，exists in large amounts on the planet.In addition
6、，two different groups of scientists announced on March 28 that they had found signs of methane(甲烷) in the Martian atmosphere.The gas is a waste product of living creatures and could be produced by microbes(微生物) living in the red planets soil.But scientists such as Dr Lisa Pratt，a biologist at Indian
7、a University，say that these microbes will be put in danger by the little earth project.“Before we have even discovered if there is life on Mars，we are talking about carrying out projects that would destroy all these native life forms，all the strange microbes that we hope to find buried in the soil，”
8、said Dr Pratt.This view is shared by Monica Grady，a planetary (行星的) scientist at the Natural History Museum，London.“We cant risk starting a global experiment that would wipe out the precious information we are looking for.” She said，“This is just wrong.”1The passage is about_.Aa plan turning Mars in
9、to a little earthBthe necessity of changing MarsCMars supporting lifeDfinding water on Mars2Which of the following is NOT the reason why some scientists are against the plan?AThe project would destroy all the native life forms on Mars.BThe project will cost too much money and work.CWe would ruin Mar
10、s.DWe are wiping out the precious information we are looking for.3We can infer from the passage that_.Awater is a crucial factor for lifeBthe project will have little effect on the native life forms supposed to live on MarsCMonica Grady is in favour of carrying out the little earth projectDthe idea
11、turning Mars into a little earth is nothing but a science fiction4Which of the following supports the conclusion of microbes living in the Mars soil?AScientists found liquid water on Mars.BScientists found signs of methane in the Martian atmosphere.CScientists found a lot of good soil on Mars.DScien
12、tists found some creatures living on Mars.第二节(共5小题；每小题2分，满分10分)根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。When youre dealing with a stressful situation or going through a hard time，people in your life can help you.When someone who cares knows what youre going through，it helps you feel understood and n
13、ot so alone._5_Problems seem smaller when you talk about them with the right person.You can do better and find out solutions more easily when you share your problems.There are lots of different ways to get and give help._6_Other times you need advice on things.Help can be very easy，like a homework p
14、roject. Or it can go on for a while，like teaching to bring up a failing grade or advising to get through a difficult personal situation.Its likely you remember times someone helped you._7_Friends helped you get through sadness or deal with disappointment.Teachers might have guided you through the co
15、llege application process (大学申请)_8_You might give a hand to your classmate who met difficulty.Friends，parents，teachers and other adults can be great resources when you need help.There are also times when you need the extra help that a professional can provide best.Doctors can offer specialized help for a health problem_9_AParents taught you to stop a bad habit.BSometimes you just want to hear an encouraging word.CTurn to the professional people for help when you need.DDifficulties are everywhere in your life.EAnd you can also remember times when you helped others.F
