When people hear a president speak, they seldom think about others helping to shape the presentation. Today, however, presidents depend on writers such as J. Terry Edmonds to help them communicateeffe 题目和参考答案——青夏教育精英家教网—

题目内容

When people hear a president speak, they seldom think about others helping to shape the presentation（报告）. Today, however, presidents depend on writers such as J. Terry Edmonds to help them communicate（交流）effectively. Edmonds is the first African American ever to work as a full-time speechwriter for a U.S. president; he is also the first African American to serve as director of speechwriting for the White House. His is an all-American story of success.

Edmonds grew up in Baltimore, Maryland; his father drove a truck, and his mother worked as a waitress. A great reader, Edmonds showed a gift for writing at his high School, Baltimore City College. After graduating in 1967, Edmonds went on to Morgan State University.

Edmonds began his career in business, with jobs in public relations and communications, He joined the world of politics as news secretary for his congressman (国会议员) from Baltimore, During Bill Clinton’s presidency, he worked speeches for Health and Human Services Secretary Donna Shalala and worked in a number of jobs in the White House and in governmental departments. President Clinton then appointed (任命) him to the office of director of speechwriting, Following the 2000 elections, Edmonds returned to Morgan State University as the school’s special assistant to the president for 2001-2002.

45. Which of the following statements is TRUE according to the text?

A. Edmonds proved himself to be good at writing at high school.

B. Edmonds graduated from Morgan State University in 1967.

C. Edmonds was the first full-time speechwriter.

D. Edmonds served the White House after 2000.

46. Edmonds entered the world of politics first as

A. news secretary for a congressman

B. a speechwriter for President Clinton

C. news secretary in the White House

D. a speechwriter for Secretary Donna Shalala

47. The text is most likely to be found in a book about

A. popular science B. historical events

C. successful people D. political systems

本文介绍美国总统的“笔杆子”J. Terry Edmonds作为一位非洲裔美国人的成长经历。

45. A

解析：推理判断题。根据第二自然段的第二句可知本题选A。

46. A

解析：细节理解题。根据第三自然段的第二句可知本题选A。

47. C

解析：推理判断题。本文是一篇人物介绍，介绍了一位成功人物，故本题选C。

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A. people can not change their skin colour without any pain

B. the new discovery could lead to search into ways to change skin colour safely

C. pop king Michael Jackson often changed his skin colour as he liked

D. scientists have found out that people’s skin colour is determined by the gene

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A. find the different genes of humans’

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C. find out the reason why the Africans’ skin colour is dark D. find out the ways of changing peopl’s skin colour

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A. they are born light-skinned people

B. light-skinned Europeans have mutation in the gen for melanosome production

C. they have fewer activities outside D. they pay much attention to protecting their skin

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A. neutral B. negative C. positive D. indifferent

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The new discovery could lead to medical treatments for skin cancer. It also could lead to research into ways to change skin colour without damaging it like chemical treatment did on Michael Jackson.

51. The passage mainly tells us that ________.

A. people can not change their skin colour without any pain

B. the new discovery could lead to search into ways to change skin colour safely

C. pop king Michael Jackson often changed his skin colour as he liked

D. scientists have found out that people’s skin colour is determined by the gene

52. It can be inferred from the passage that ________.

A. nowadays people who want to change their skin colour have to suffer a lot from the damage caused by the chemical treatment

B. Europeans and Africans have the same gene

C. the new discovery could help to find medical treatments for skin cancer

D. there are two kinds of genes

53. Scientists have done an experiment on a dark-striped zebra fish in order to ________.

A. find the different genes of humans’

B. prove the humans’ skin colour is determined by the pigment gene

C. find out the reason why the Africans’ skin colour is dark

D. find out the ways of changing peopl’s skin colour

54. The reason why Europeans are light-skinned is probably that ________.

A. they are born light-skinned people

B. light-skinned Europeans have mutation in the gen for melanosome production

C. they have fewer activities outside

D. they pay much attention to protecting their skin

55. The writer’s attitude towards the discovery is ________.

A. neutral B. negative C. positive D. indifferent

Can people change their skin colour without suffering like pop king Michael Jackson? Perhaps yes. Scientists have found the gene that determines skin colour.

It appears that, like the golden zebrafish, light-skinned Europeans also have a mutation(变异) in the gene for melanosome production. This results in less pigmented skin.

However, Keith Cheng, leader of the research team, points out that the mutation is dif ferent in human and zebrafish genes.

Humans acquired dark skin in Africa about 1.5 million years ago to protect bodies from ultra-violet rays of the sun(太阳光紫外线), which can cause skin cancer.

But when modern humans leave Africa to live in northern latitudes, they need more sunlight on their skin to produce vit amin D. So the related gene changes, according to Cheng.

Asians have the same version of the gene as Africans, so they pr obably acquired their light skin through the action of some other gene that affects skin colour, said Cheng.

The new discovery could lead to medical treatments for skin cancer. It also could lead to research into ways to change skin colour without damaging it like chemical treatment did on Michael Jackson.

1.. The passage mainly tells us that ________.

A. people can not change their skin colour without any pain

B. the new discovery could lead to search into ways to change skin colour safely

C. pop king Michael Jackson often changed his skin colour as he liked

D. scientists have found out that people’s skin colour is determined by the gene

2.. Scientists have done an experiment on a dark-striped zebra fish in order to ________.

A. find the different genes of humans’

B. prove the humans’ skin colour is determined by the pigment gene

C. find out the reason why the Africans’ skin colour is dark

D. find out the ways of changing peopl’s skin colour

3.. The reason why Europeans are light-skinned is probably that ________.

A. they are born light-skinned people