题目内容

“The U.S.Food and Drug Administration(FDA)is considering to put stricter limits over tanning salons(晒黑廊)and wants to ban anyone younger than 18 years of age from using a tanning bed,”an advisory panel(专家团)announced last week.

The panel is calling for tighter controls on the industry such as requiring teenagers to get the approval from their parents before using tanning beds or limiting the use of artificial tanning to a certain age.“Given the absence of any demonstrated benefits,I think it is an obligation for us to ban artificial tanning for those under 18,”said panelist Dr.Michael Olding.

Along with a possible ban for teenagers,the panel also recommended that visible warning labels should be placed either on the tanning machines or in the salons in order to caution tanners of the possible dangers.In addition,the committee decided that stricter regulations and classifications were critical to make the machines safer.At this time the machines are categorized as FDA Class 1 devices,the ones that are least likely to cause harm.In case the FDA decided to change their classification from Class 1 to Class 2,as advised by the panel,the FDA could limit the levels of radiation the machines emit.Class 2 devices include X?ray machines and powered wheelchairs.

Getting a tan,whether from a tanning bed or the sun,increases the risk of developing skin cancer.Last year,the World Health Organization's International Agency for Research on Cancer (IARC)declared tanning beds as “carcinogenic(致癌的)to humans”.It was discovered that young individuals in their teens and 20s who use tanning beds on a regular basis have a 75 per cent higher risk of suffering from melanoma(黑素瘤),the deadliest form of skin cancer.According to the American Cancer Society,melanoma accounted for nearly 69,000 cases of skin cancer in 2009 and will account for most (about 8,650)of the 11,590 mortality cases due to skin cancer each year.

1.According to the passage,what measures will U.S.FDA most probably take?

A. Banning tanning salons.

B. Posing heavier tax over tanning salons.

C. Having tighter controls over tanning salons.

D. Limiting the number of tanning salons in every state.

2.Which of the following suggestions for making tanning salons safer is NOT mentioned?

A. Visible caution.

B. Setting age limit.

C. Professional personnel.

D. Parental approval for teenagers.

3.What does the writer want to express in the last paragraph?

A. Tanning in one's youth may mean death.

B. Tanning in the sun is safer than on the tanning bed.

C. People should get tanned without getting melanoma.

D. Getting tanned is only a good idea for those above thirty years old.

4.What will most probably happen,if the advisory panel's suggestions are adopted and put into practice?

A. Fewer people will suffer from skin cancer.

B. Tanning salons will have more customers.

C. Getting a tan in a tanning salon will cost less.

D. Parents will be more anxious about their tanning children.

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Astronauts on shorter shuttle missions(使命)often work very long days. Tasks are scheduled so tightly that break times are often used to finish the day’s work. This type of schedule is far too demanding for long missions on the International Space Station(ISS). ISS crewmembers usually live in space for at least a quarter of a year. They work five days on and two days off to mimic the normal way they do things on Earth as much as possible. Weekends give the crew valuable. Weekends give the crew valuable time to rest and do a few hours of housework. They can communicate with family and friends by email, internet phone and through private video conferences.

While astronauts cannot go to a baseball game or a movie in orbit, there are many familiar activities that they can still enjoy. Before a mission. The family and friends of each ISS crewmember put together a collection of family photos, messages, videos and reading material for the astronauts to look at when they will be floating 370 kilometers above the Earth. During their mission, the crew also receives care packages with CDs, books, magazines, photos and letters. And as from early 2010, the internet became available on the ISS , giving astronauts the chance to do some “web surfing(冲浪)”in their personal time. Besides relaxing with these more common entertainments, astronauts can simply enjoy the experience of living in space.

Many astronauts say that one of the most relaxing things to do in space is to look out the window and stare at the universe and the Earth’s vast land mass and oceans.

1.What does the word “mimic” in Paragraph 1 probably mean?

A. Find B. Copy

C. Change D. Lose

2.Which of the following best describes the families of the astronauts on the ISS?

A. The are caring and thoughtful

B. The are worried and upset

C. The are impatient and annoyed.

D. The are excited and curious.

3.The passage mainly discusses how astronauts ______________.

A. work for longer missions in space

B. connect with people on the Earth

C. observe the Earth from space

D. spend their free time in space

English is the most widely used language in the history of our planet. One in every seven human beings can speak it. More than half of the world’s books and three quarters of international mail are in English. Of all languages, English has the largest vocabulary — perhaps as many as two million words.

However, let’s face it: English is a crazy language. There is no egg in an eggplant, neither pine nor apple in a pineapple and no ham in a hamburger. Sweet-meats are candy, while sweetbreads, which aren’t sweet, are meat.

We take English for granted. But when we explore its paradoxes (探讨它的矛盾), we find that quicksand can work slowly, boxing rings are square,  public bathrooms have no baths in them.

And why is it that a writer writes, but fingers don’t fing, grocers don’t groce, and hammers don’t ham? If the plural of tooth is teeth, shouldn’t the plural of booth be beeth? One goose, two geese — so one moose, two meese?

How can a slim chance and a fat chance be the same, while a wise man and a wise guy are opposites? How can overlook and oversee be opposites, while quite a lot and quite a few are alike? How can the weather be hot as hell one day and cold as hell the next?

English was invented by people, not computers, and it reflects (反映) the creativity of human beings. That’s why, when stars are out, they are visible (能看见的); but when the lights are out, they are invisible. And why, when I wind up my watch, I start it; but when I wind up this essay, I end it.

1.Which of the following includes two items which have the similar meaning?

A. Quite a lot and quite a few. B. Overlook and oversee.

C. A wise man and a wise guy. D. Hot as hell and cold as hell.

2.The underlined words “wind up” in the last paragraph probably means “_____”.

A. blow B. roll up

C. get hurt D. finish

3.Through the many paradoxes in the English language, the writer wants to show that human beings are ____.

A. clever B. crazy

C. lazy D. dull

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