On June 5, 1981 the Centers for Disease Control in Atlanta, U.S. announced the presence of a rare, infectious disease in five American homosexuals(同性戀). Soon doctors were finding similar cases all over the country and the world. The AIDS epidemic(流行病)had officially begun. By 1983 it was clear that AIDS had spread around the world. More than twenty years later, AIDS has left twenty-six million dead and another forty million infected.  AIDS has become the worst medical disaster ever experienced by mankind.

Hundreds of young people between the ages of 20 and 45 died each week during the early years of the U.S. AIDS. More than 600,000 cases of AIDS have been reported since 1981 in the United States, and it is estimated that there may be as many as 900,000 Americans infected with HIV.

Though the rate of HIV infections continues to increase in the United States, the number of AIDS cases has fallen sharply since 1996, when antiretroviral drugs came onto the market. Unfortunately, the AIDS epidemic continues today in Africa and much of Asia, where antiretroviral treatment is not available and health care is far from enough. AIDS is the fourth leading cause of death worldwide, and the No. 1 cause of death due to infectious disease.

HIV, the virus that causes AIDS, was first separated in 1983 by a team at the Pasteur Institute in Paris. That discovery made it possible to develop a test for AIDS and trace back to victims who may have died before doctors were aware of the disease.

However, scientists still don't know exactly how and where AIDS started. Finding the source of AIDS could be important in developing a vaccine(疫苗) and be important in mapping the future course of the epidemic.

It can be inferred from the passage that       

     A．a(chǎn)ntiretroviral drugs will be obtained easily all over the world

     B．the best way to stop AIDS is to develop a vaccine

     B．scientists will soon find a way to cure AIDS

     D．there will be fewer AIDS cases in the world in the future

Which areas are the most worrying places where AIDS spreads quickly? 

     A．Africa.               B．Asia.             C．The United States.               D．France.

The number of AIDS cases has greatly decreased in the United States due to the fact

     A．a(chǎn) team at the Pasteur Institute in Paris succeeded in separating HIV

     B．some effective medicine has been invented

     B．scientists understand AIDS better and better.

     D．The rate of HIV infections continue to rise in the United States

What's the importance of the discovery of the source of AIDS?

    A．It can be used to develop a test for AIDS.

     B．It can stop HIV forming AIDS.

     B．It can reduce the rate of death caused by AIDS.

     D．It can help develop a drug to prevent AIDS.

【小題1】B

【小題2】A

【小題3】B

【小題4】D


解析:

【小題1】從第三段的敘述中可知正確答案。

【小題2】從第三段Unfortunately, the AIDS epidemic continues today in Africa and much of Asia, where antiretroviral treatment is not available and health care is far from enough.可知正確答案。

【小題3】從第三段Though the rate of HIV infections continues to increase in the United States, the number of AIDS cases has fallen sharply since 1996, when antiretroviral drugs came onto the market.可知正確答案。

【小題4】從最后一段Finding the source of AIDS could be important in developing a vaccine(疫苗) and be important in mapping the future course of the epidemic.可知正確答案。

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源： 題型：閱讀理解

CCTV anchorman Luo Jing died of cancer on June 5 ,2009 at the age of 48.

  In 1983 ,graduating from Beijing Broadcasting Institute, he began his career as a prime time newscaster for CCTV .Over the past decades , as an icon of China’s broadcasting industry，Luo Jing’s modest image and clear voice left unforgettable memories with his audience.

   Last year when he was diagnosed as having lymph cancer ,he felt it too awful,for two weeks later he was to run the torch ,He asked doctors to keep the secret in order for him to complete the task of the Olympic torch. Finally, not only did he complete the task, but he participated in a series of voice – over work in the Olympic Games opening ceremony . After that ,he frankly said to the leader the next day,“I have completed the task and I am going to hospital today.”

   Broadcast sowing rate of the News Network used to be 180words a minute, but increases to 300 words a minute, which is beyond most people’s ability. What’s more terror is the strict limit of time .Sometimes after a piece of news is broadcast, there is a few seconds left, when staff hand a message press release. The host must strictly control the time to broadcast the unexpected news. As soon as his voice fades , the program turns into the following images without one more second or less. In such high – intensity work environment, with the perfect professional he worked for 26 years without any error.

  In life , we seldom mention comedy without tragedy, laughter without tears ,and joy without sorrow.Though the passing of Luo Jings brings us pain, it’s only fitting to remember his smiles with happiness. He’s been taken from us much too soon , but he leaves us what he’s been working for.

When did Luo Jing go to hospital?

  A. As soon as he  ran the torch.

  B. As soon as he  was diagnosed with cancer.

  C. As soon as he felt uncomfortable.

  D. After attending the Olympic Games opening ceremony.

When Luo Jing began his career he was           years old

  A. 22    B.  24       C. 26     D. 28

Through the fourth paragraph the writer intends to show          .

  A. how high broadcast sowing rate of the News Network is

  B. how remarkable the achievement that Luo Jing made was

  C. what gifts a person should have if he wants to make a host

  D. how terrible to become a host of the News Network

What can be inferred from the passage?

  A. Luo Jing was modest.        B. Luo Jing had a clear voice.

  C. Luo Jing had a strong will.    D. Luo Jing hated being pitied.

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2015屆江西省高二上學(xué)期期中考試英語(yǔ)試卷（解析版） 題型：閱讀理解

  Lifeguard, sportscaster, movie star, governor, president——there wasn’t much Ronald Reagan didn’t do in life.

    “The world was a vast opportunity for him,” Lou Cannon wrote in his biography（傳記） of the former US president, who died on June 5，2004， aged 93.

    Reagan’s final years saw him fight a losing battle against Alzheimer’s disease（老年癡呆癥）. But his positive attitude toward life has given hope to many people.

    Born in 1911 to a poor family in a small town in Illinois, his father was a failed salesman who drank too much. It was in these difficult times, though, that Reagan developed the powerful optimism（樂(lè)觀） that would serve him so well. He always believed better times lying ahead, and this was reflected in his high school yearbook entry. “Life is one grand, sweet song, so start the music,” he wrote.

    As a teenager, Reagan spent summers working as a lifeguard at a local beach, saving 77 lives in seven years. He graduated from college in 1932 with a degree in economics and sociology. But America was still in the middle of the Great Depression, and jobs were hard to find. Reagan finally found work as a radio sports announcer and this road led him to Hollywood in 1937.

    During the 20---year film career, he never became a leading star. As in his lifeguard days, Reagan loved to play the hero and only took the role of a bad guy once in more than 50 films.

    A talented speaker who was always able to connect with his audience, Reagan became involved in politics in the 1950s. This popular touch led to him being elected the governor of California in 1967.

    All the while Reagan was in California, he had his eye on the White House. In 1980, aged 69, he became the oldest man ever elected president.

    He held office from 1981 to 1989, the first president to serve two complete terms after World War Ⅱ. When he left, aged 77, he held the highest popularity rate of any retiring president in US history.

    He remained positive even when he discovered he had an illness that would destroy him. “I will leave with the greatest love for this country of ours and eternal（永恒的optimism(樂(lè)觀) for its future,”he wrote.

1.Reagan can be best described as a man with ______.

A. firmness  B. humour   C. optimism  D. talent

2.What didn’t Reagan do in his life time?

A. Playing the role of a bad guy.

B. Being a leading star of the film.

C. Saving people’s lives.

D. Working as a radio sports announcer.

3.Which is the correct order of events described in the passage?

a. Reagan fought a losing battle against Alzheimer’s disease.

b. Reagan became an actor.

c. Reagan worked as a lifeguard.

d. Reagan graduated from college.

e. Reagan was elected the governor of California.

A. a, c, d, e ,b           B. e, c, d, b, a

C. b, a, c, d, e           D. c, d, b, e, a

4.When the writer of Reagan’s biography says “The world was a vast opportunity for him,” he really means that _______.

A. Reagan achieved much in his whole life

B. Reagan could have done much better

C. Reagan did much for America and the world

D. Reagan was a very lucky man

 

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：江西省09-10學(xué)年高一下學(xué)期期中考試（英語(yǔ)） 題型：閱讀理解

In the 1880s, Mark Twain established and operated his own publishing firm. He also became interested in various investments, especially an elaborate typesetting machine. He lost almost $200,000 in investments in the machine between 1881 and 1894. Also, his publishing company declared bankruptcy (破產(chǎn)) in April 1894. Thus, in January 1895, Mark Twain found himself publicly shamed by his inability to pay his debts.

Mark Twain eventually recovered from his financial difficulties, through his continued writing and a successful lecture tour in 1895 and 1896. During this much-publicized tour, Twain lectured in such places as India, South Africa and Australia. By the time he returned, he had become an international hero. Twain enjoyed this attention, and his habits of smoking cigars or a pipe and wearing unconventional white suits contributed to his showy image. He also made use of his position as a public figure to criticize the US foreign policy.

Although he was recovering from his financial problems by 1898, Mark Twain had begun to experience tragedy in his personal life. Suzy, his oldest daughter, died of meningitis (腦膜炎) in 1896, while her parents and sister Clara were abroad. In 1903, Mark Twain sold the beloved house in Hartford, which had become too closely associated with Suzy’s death. His wife, Olivia, who had developed a heart condition, died on June 5, 1904. His youngest daughter, Jean, died on Dec. 24, 1909.

64. Which is not the reason why Mark Twain found himself in debt?

Because he devoted all his energy to his writings.

Because his publishing firm bankruptcy.

He lost almost $ 200 000 in investments in the machine between 1881 and 1894

Because he lost a large quantity of money in various investments.

65. How did Mark Twain pay off his debts?

A.  By borrowing money from the bank.

B.  By investing in foreign countries.

By writing articles and a successful lecture tour.

By printing his own articles and selling them for money.

66. It can be inferred that Mark Twain ________________.

hated smoking cigars

liked wearing black clothes

hated the US foreign policy at that time

hated giving lectures in the foreign countries

 

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源： 題型：閱讀理解

The United States is one of the few countries in the world that has an official day on which fathers are honored by their children. On the third Sunday in June, fathers all across the United States are given presents, treated to dinner or otherwise made to feel special.

　 The origin of Father’s Day is not clear. Some say that it began with a church service in West Virginia in 1908. Others say the first Father’s Day ceremony was held in Vancouver, Washington.

The president of the Chicago branch (分部) of the Lions’ Club, Harry Meek, is said to have celebrated the first Father’s Day with his organization in 1915; and the day that they chose was the third Sunday in June, the closest date to Meek’s own birthday!

Regardless of when the first true Father’s Day occurred, the strongest promoter of the holiday was Mrs. Bruce John Dodd of Spokane, Washington. Mrs. Dodd felt that she had an outstanding father. He was a veteran of the Civil War. His wife had died young, and he had raised six children without their mother.

In 1909, Mrs. Dodd approached her own minister and others in Spokane about having a church service dedicated to fathers on June 5, her father’s birthday. That date was too soon for her minister to prepare the service, so he spoke a few weeks later on June 19th. From then on, the state of Washington celebrated the third Sunday in June as Father’s Day. Children made special desserts, or visited their fathers if they lived apart.

States and organizations began lobbying (游說(shuō)) Congress to declare an annual Father’s Day. In 1916, President Woodrow Wilson approved of this idea, but it was not until 1924 that President Calvin Coolidge made it a national event to “establish more intimate relations between fathers and their children and to impress upon fathers the full measure of their obligations.” Since then, fathers had been honored and recognized by their families throughout the country on the third Sunday in June.

When children can’t visit their fathers or take them out to dinner, they send a greeting card. Traditionally, fathers prefer greeting cards that are not too sentimental. Most greeting cards are whimsical (奇形怪狀的，異想天開(kāi)的) so fathers laugh when they open them. Some give heartfelt thanks for being there whenever the child needed Dad.

1. Which of the following statements is true?

A. Most countries in the world celebrated the Father’s Day.

B. Father’s Day began with a church service in West Virginia.

C. In America, Father’s Day is on the third Sunday in June.

D. President Calvin Coolidge made Father’s Day a national event in 1916.

2. Fathers are shown respect for on Father’s day except for ____________?

A. gifts　　　 B. dinners　　　 C. get-together　　　　 D. lobbies

3. Which is the right order that Father’s day came into being？

a. President Woodrow approved of the festival idea.

b. Mrs. Bruce John acted as a promoter.

c. Father’s Day ceremony was held in Vancouver, Washington.

d. States and organizations began lobbying Congress to declare an annual Father’s Day.

e. President Calvin Coolidge made Father’s Day a national event.

A. c b d a e 　 　 B. c d e a b　　　　　　 C. b e d a c　　　　 D. e a d c b

4. What does the underlined word mean in paragraph 6?

A. remote　　　 　 B. close　　　　　　 C. private　　　　 　 D. detailed

5. What is the main idea of the passage?

A. Father’s day is celebrated all over the world.

B. Mrs. Dodd made Father’s Day an official day.

C. How Father’s Day came into being.

D. The origin of Father’s Day is not clear.

 

查看答案和解析>>

同步練習(xí)冊(cè)答案