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1、- 1 -苏州市 2014高考英语阅读理解、完形填空及阅读类训练（15） （答案及解析）Words：395 难度系数：建议用时：7 分钟The United States government wants to know what the public thinks about its findings on the safety of cloned animals.The Food and Drug Administration says meat and milk from clones of adult cattle，pigs and goats are safe to eat.An F
2、DA official called them “as safe to eat as the food we eat every day.” And when those clones reproduce sexually，the agency says，their offspring (后代) are safe to eat as well.But research on cloned sheep is limited.So the FDA proposes that sheep clones not be used for human food.The United States this
3、 year could become the first country to agree to the sale of foods from cloned animals.First，however，the public will have ninety days to comment on three suggested documents.On December 28th the FDA released a long report，called a draft risk assessment，along with two policy documents.The agency says
4、 it must receive comments by April second.The FDA seemed ready to act several years ago，but a committee called for more research.For now，the government will continue to ask producers to honor a request that they not sell foods from cloned animals.Clones are still rare.They cost a lot and are difficu
5、lt to produce.The FDA says most food from cloning is expected to come not from clones themselves，but from their sexually reproduced offspring.It says clones are expected to be used mostly as breeding animals to spread good qualities.Public opinion studies show most Americans do not like the idea of
6、food from cloned animals.But this research also shows the public knows little about cloning.Cloning differs from genetic engineering.A cell taken from a socalled donor animal is grown into an embryo (胚胎) in the laboratory.Next，the embryo(胚胎) is placed into the uterus (子宫) of a female animal.If the p
7、rocess is successful，the pregnancy reaches full term and a genetic copy of the donor animal is born.4Whats the main purpose of the passage? - 2 -ATo tell an interesting story.BTo give some advice on foods.CTo give a report.DTo compare different opinions.解析：选 C。主旨大意题。本篇文章是关于克隆食物的安全问题的报道。5Who believe
8、that foods from cloning are safe to eat?AMost Americans.BAn advisory committee.CCritics.DThe FDA.解析：选 D。细节理解题。文章开头说，美国食品和药品管理局告诉公众，克隆动物制品可以安全食用，其后代也能安全食用。6It can be inferred from the last paragraph that _.Acloning has much in common with geneticBnot every cell taken from a donor animal can grow into
9、 a genetic copyCthe donor animal should be a female oneDcloned animals grow faster than normal ones解析：选 B。推理判断题。最后一段说， “如果这个过程成功的话” ，怀孕的动物的孕期就会自然成熟。由此判断选 B，这个过程也有失败的时候。7Which of the following is true about foods from cloning?AThey come from the sexually reproduced offspring of cloned animals.BThe fo
10、od from firstgeneration cloned animals is very expensive.COnly FDA has the right to sell the food.DThey will be sold mixed with those from naturally bred animals.解析：选 A。推理判断题。第七段说，克隆动物的肉食不是来自克隆动物本身，而是来自有性繁殖的后代，克隆动物将被用做繁殖动物，以传递优良素质。*结束阅读理解Words：345 难度系数：建议用时：8 分钟“You are going to the United States to
11、 live? How wonderful! You are really lucky.”- 3 -Perhaps your family and friends said similar things to you when you left home.But does it true all the time? Is your life in the new country always wonderful and exciting?Specialists say that it isnt easy to get used to life in a new culture.“Culture
12、shock” is the term specialists use when talking about the feelings that people have in a new environment.“There are three stages of culture shock, ”say the specialists.In the first stage, the newcomers like their new environment.Then, when the fresh experience dies, they begin to hate the city, the
13、country, the people, and everything else.In the last stage, the newcomers begin to adjust to their surroundings and, as a result enjoy their life more.There are some obvious factors in culture shock.The weather may be unpleasant.The customs may be different.The public service systems the telephone,
14、post office, or transportation maybe difficult to work out.The simplest things seem to be big problems.The language may be difficult.Who feels culture shock? Everyone does in this way or that.But culture shock surprises most people.Very often the people having the worst culture shock are those who n
15、ever had any difficulties in their home countries and were successful in their community.Coming to a new country, these people find they do not have the same established positions.They find themselves without a role, almost without an identity.They have to build a new selfimage.Culture shock gives r
16、ise to a feeling of disorientation (迷惘)This feeling may be homesickness.When homesick, people feel like staying inside all the time.They want to protect themselves from the strange environment, and create and escape inside their room for a sense of security.This escape does solve the problem of culture shock for the short term, but it does nothing to make the person familiar with the culture
