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[主观题]

The case history of the twins appears to support the conclusion that ______. A. indi

The case history of the twins appears to support the conclusion that ______.

A. individuals with identical brains seldom test at the same level

B. an individual's intelligence is determined solely by his environment

C. children reared under average conditions possess average intelligence

D. lack of opportunity hinders the growth of intelligence

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发布时间：2022-02-06

更多“The case history of the twins appears to support the conclusion that ______. A. indi”相关的问题

第1题

There are two factors which determine an individual's intelligence. The first is the sort

of brain he is born with. Human brains differ considerably, some being more capable than others. But no matter how good a brain he has to begin with, an individual will have a low order of intelligence unless he has opportunities to learn. So the second factor is what happens to the individual the sort of environment in which he is reared (抚养). If an individual is handicapped environmentally, it is likely that his brain will fail to develop and he will never attain the level of intelligence of which he is capable.

The importance of environment in determining an individual's intelligence can be demonstrated by the case history of the identical twins, Peter and Mark. Being identical, the twins had identical brains at birth, and their growth processes were the same. When the twins were three months old, their parents died, and they were placed in separate foster (收养) homes. Peter was reared by parents of low intelligence in an isolated community with poor educational opportunities. Mark was reared in the home of well-to-do parents who had been to college. He was read to as a child, sent to good schools, and given every opportunity to be stimulated intellectually. This environmental difference continued until the twins were in their late teens, when they were given tests to measure their intelligence. Mark's IQ was 125, twenty-five points higher than the average and fully forty points higher than his identical brother. Given equal opportunities, the twins, having identical brains, would have tested at roughly the same level.

This selection can be titled ______.

A．Measuring Your Intelligence

B．Intelligence and Environment

C．The Case of Peter and Mark

D．how the Brain Influences Intelligence

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第2题

It happened one morning 20 years ago. British scientist Alec Jeffrey stumbled upon DNA fin

gerprinting: He identified the patterns of genetic(基因的) material that are unique to almost every individual. His discovery changed everything from the way we do criminal investigations to the way we decide family law. But the professor of genetics at the University of Leicester, UK, is still surprised, and a bit worded, by the power of the technology he released upon the world.

The patterns within DNA are unique to each individual, except identical twins, who share the same pattern. The ability to identify these patterns has been used to convict murderers and to clear people who are wrongly accused. It is also used to identify the victims of war and settle disputes over who is the father of a child.

Jeffrey said he and his colleagues made the discovery by accident while tracking genetic variations. But, within six months of the discovery, genetic fingerprinting had been used in an immigration case, to prove that an African boy really was his parents' son. In 1986, it was used for the first time in a British criminal case: It cleared one suspect after being accused of two rapes and murders and helped convict another man.

DNA testing is now very common. In Britain, a national criminal database established in 1995 now contains 2.5 million DNA samples(样本). The U.S. and Canada are developing similar systems. But there are fears about the stored DNA samples and how they could be used to harm a person's privacy. That includes a person's medical history, racial origin or psychological profile. "There is the long-term risk that people can get into these samples and start getting additional information about a person's paternity or risk of disease," Jeffrey said.

DNA testing is not an unfailing proof of identity. Till, it is considered a reasonably reliable system for determining the things it is used for. Jeffrey's estimates(估计) the probability of two individuals' DNA profiles matching in the most commonly used tests at between one in a billion or one in a trillion.

The passage is mainly about ______.

A．the discovery of fingerprinting by Jeffery

B．the practice of fingerprinting in court

C．the fingerprinting in the present situation

D．the merits and demerits of fingerprinting

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第3题

Student participation （参与)in tike classroom is not only accepted but also expected of th

Student participation (参与)in tike classroom is not only accepted but also expected of the student in many courses. Some professors base part of the final grade on the student’ s oral participation. Although there are formal lectures during which the student has a passive role(i. e. , listening and taking notes) , many courses are organized around classroom discussions, student questions, and informal lectures. In graduate discussions the profess or has a “manager”role and the students make presentations and lead discussions. The students do the actual teaching in these discussions.

A professor’ s teaching method is another factor (因素)that determines the degree and type of student participation. Some professors prefer to control discussion while others prefer to guide the class without controlling it. Many professors encourage students to question their ideas. Students who object to the professor’ s point of view should be prepared to prove their positions.

In the teaching of science and mathematics, the controlling mode of instruction is generally traditional, with teachers presenting formal lectures and students taking notes. However,new educational trends have turned up in the humanities and social sciences in the past twenty years. Students in education,society, and history classes, for example, are often required to solve problems in groups, design projects, make presentations, and examine case studies. Since some college or university courses are“practical” rather than theoretical，they pay more attention to “doing” for themselves.

“Participation in the classroom is not only accepted but also expected of the student” in many courses except in____.

A.science and mathematics

B.the humanities and social sciences

C.informal lecture courses

D.discussion courses

From the passage we know that education in the humanities and society____.A.has not changed much

B.pay attention to students’ studying instead of teachers’ teaching

C.is much more important than that of science and mathematics

D.has become more practical than theoretical

The reason why some professors ask students to make presentations and lead discussions is that____.

A.these professors are often not well prepared before class

B.these professors want to stress “doing”

C.these professors want to test the students’ abilities

D.these professors are not willing to teach theory

Which of the following sentences is true according to the passage？A.Student participation is not common in the classroom in many courses like society.

B.Some professors want to control the classroom discussion.

C.Some professors usually want the students to take part in the teaching of science and mathematics.

D.New educational trends have turned up in teaching of natural sciences such as chemistry.

请帮忙给出每个问题的正确答案和分析，谢谢！

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第4题

The kids are hanging out. I pass small bands of students, in my way to work these mornings

. They have become a familiar part of the summer landscape.

These kids are not old enough for jobs. Nor are they rich enough for camp. They are school children without school. The calendar called the school year ran out on them a few weeks ago. Once supervised by teachers and principals, they now appear to be "self care'.

Passing them is like passing through a time zone. For much of our history, after all, Americans arranged the school year around the needs of work and family. In 19th century cities, schools were open seven or eight hours a day, 11 months a year. In rural America, the year was arranged around the growing season. Now, only S percent of families follow the agricultural model, but nearly all schools are scheduled as if our children went home early to milk the cows and took months off to work the crops. Now, three-quarters of the mothers of school-age children work, but the calendar is written as if they were home waiting for the school bus.

The six-hour day, the 180-day school year is regarded as something holy. But when parents work an eight-hour day and a 240-day year, it means something different. It means that many kids go home to empty houses. It means that, in the summer, they hang out.

"We have a huge mismatch between the school calendar and realities of family life," says Dr. Ernest Boyer, head of the Carnegie Foundation for the Advancement of Teaching.

Dr. Boyer is one of many who believe that a radical revision of the school calendar is inevitable. "School, whether we like it or not, is educational. It always has been."

His is not a popular idea. Schools are routinely burdened with the job of solving all our social problems. Can they be asked to meet the needs of our work and family lives？

It may be easier to promote a longer school year on its educational merits and, indeed, the educational case is compelling. Despite the complaints and studies about our kids' lack of learning, the United State still has a shorter school year than any industrial nation. In most of Europe, the school year is 220 days. In Japan, it is 240 days long. While classroom time alone doesn't produce a well-educated child, learning takes time and more learning takes more time. The long summers of forgetting take a toll.

The opposition to a longer school year comes from families that want to and can provide other experiences for their children. It comes from teachers. It comes from tradition. And surely from kids. But the most important part of the conflict has been over the money.

Which of the following is an opinion of the author's？

A．The kids are hanging out.

B．They are school children without school.

C．These kids are not old enough for jobs.

D．The calendar called the school year ran out on them a few weeks ago.

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第5题

列出docker所有的镜像（)。

A.login

B.history

C.port

D.images