2021版山东新高考英语外研大一轮复习限时规范练35(选修6 MODULE 5) WORD版含解析.docx
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- 2021版山东新高考英语外研大一轮复习限时规范练35选修6MODULE 5 WORD版含解析 2021 山东 新高 英语 外研大 一轮 复习 限时 规范 35 选修 MODULE WORD 解析
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1、限时规范练35(选修6Module 5)核心素养关键词:培养学生人与社会、克隆科技的素养能力意识一、阅读理解AThe news that researchers have used cloning to make human embryos for the purpose of producing stem cells may have some people wondering if it would ever be possible to clone a person.Although it would be immoral,experts say it is likely biologi
2、cally possible to clone a human being.Since the 1950s when researchers cloned a frog,scientists have cloned dozens of animal species,including mice,cats,sheep,pigs and cows.With mice,researchers are able to use thousands of eggs,and conduct many experiments,to work out these problems.“Its a numbers
3、game,” said Dr.Robert Lanza,the chief scientific officer at a biotech company.“But with primates (灵长类动物),eggs are very precious,and it is not easy to get them to conduct experiments.”In addition,researchers cant simply apply what theyve learned from cloning mice or cows to cloning people.Cloning an
4、animal requires that researchers remove proteins that are necessary to help cells divide.In mice,this isnt a problem,because the embryo that is created is able to make these proteins again.But primates arent able to do this,and researchers think it may be one reason that attempts to clone monkeys ha
5、ve failed.Whats more,cloned animals often have different kinds of abnormalities.These abnormalities are common because cloned embryos have just one parent rather than two,which means that a process known as “imprinting (印记)” does not occur properly in cloned embryos.“Problems with imprinting can res
6、ult in extremely large embryos,which leads to problems with blood flow for the baby,” Lanza said.“The extremely high rate of death and the developmental abnormalities from cloning make cloning people immoral.Its like sending your baby up in a rocket knowing theres a 50-50 chance that its going to ex
7、plode.”1.What can we learn from Paragraph 1?A.Animal cloning is illegal.B.Human cloning is possible.C.Human embryos may have new functions.D.Animal embryos can be used for medicine.2.How does the author develop Paragraph 2?A.By making comparisons.B.By showing processes.C.By offering analyses.D.By us
8、ing statistics.3.How were the experiments on cloning monkeys?A.They have solved the problem with proteins.B.They have been applied to human cloning.C.They were successful.D.They were in trouble.BIn beautiful rural Montana can be found the town of Livingston.It is close to Yellowstone National Park,w
9、hich makes it a tourist center.Outdoor enthusiasts gather here each year.Low-income families are more likely to face food insecurity.Around half the students in the Livingston School District qualify for free or reduced-price lunches,according to local educator Rachael Jones,known as “Farmer Jones.”
10、 She is the director of the Livingston Farm to School program,which uses the districts two greenhouses and four gardens to grow food that supplements school meals while offering kids hands-on lessons.Jones said,“In many places around the country,if you cant pay for your school meal,you dont eat.Well
11、,here,we dont turn anyone away.”The towns school district and community members started the program eight years ago.Its part of the National Farm to School Network,which aims to increase access to local food and nutrition education across the country.Jones,who attended public school in Livingston as
12、 a kid,has headed up the local program since 2014.Farm to School enriches the curriculum in all of the schools through garden lessons,cafeteria and kitchen lessons,and classroom lessons.Research has shown that healthy school meals can improve academic performance,including improved test scores.Thoug
13、h the Farm to School program is not aimed only at lower-income students,Jones said such kids are more likely to eat lunch provided by the school.Eventually she wants to get healthy,affordable meals on the plates of every child in Livingston.It is important for kids to understand where their food com
14、es from.Thats a life-changing experience for them.Jones said,“When I grew up a big force in my life was my grandma Ethel.She taught me from a really early age the value of growing your own food.I worked in her gardens with her,and somehow,through all of those experiences eating her tomatoes and cann
15、ing pickles (把腌菜装罐保存) with her it really built up my trust and knowledge in food systems.Im so thankful for her!”4.Who is “Farmer Jones”?A.She is a local farmer.B.She is a school president.C.She is a student in a local school.D.She is a teacher in a local school.5.What is the purpose of the Livingst
16、on Farm to School program?A.To contribute to local environmental protection.B.To provide part-time jobs for students.C.To help local farmers make a living.D.To offer students food and lessons.6.What can be learned from Paragraph 4?A.Students performed better in their studies than before.B.The progra
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