When most of us look at our hands, we might notice that we need to clean, or stop biting our fingernails, and that’s about it. But if you ask a doctor, he can see a whole lot more. Everything from poor diet and stress to serious kidney (肾) problems can be revealed by a glance at your fingernails.

There are about 30 different nail signs that can be associated with medical issues, though may indicate more than one problem, according to Dr.Amy Derick, a clinical instructor of dermatology at Northwestern University.

Here are five of the things a doctor can tell about your health based on your fingernails.

1. People who aren’t eating well and lack vitamin or dietary may have thinner than normal nails, which are more likely to break.

2.Horizontal (水平的) lines are associated with serious physical stress. They frequently occur in people who have gone through chemotherapy(化疗).They can also occur after some illnesses, injuries, or with severe malnourishment(营养不良).Interestingly, there may be an altitude connection too. They’ve also been found in people who dove 1,000 feet and others who participated in an Everest exploration.

3. Vertical (垂直的)lines, however, are generally not such a big deal. Some people are more genetically prone to them than others, but they’re commonly associated with aging.

4. When people lack iron, their nails can turn spoon-like. Instead of curving down and covering the finger normally, they ’ll start to rise up on the sides and front, like the part of a spoon that holds liquid.

5. Kidney and liver problems can create “half-and-half nails”, where one part of the nail is white and the other part dark or pink, according to Derick.

Doctors note that because disease diagnosis is complex and some symptoms can be associated with different diseases, you should always see a medical professional if you are concerned about something you notice.

1. What is the main idea of the passage?

A. Doctors can tell us something about our health by looking at our nails.

B. We should see a doctor if we find nails in bad condition.

C. A famous doctor in the USA conducted an interesting research.

D. If we don’t want to get ill, we need to clean and stop biting our fingernails.

2. If we don’t eat well or regularly, our fingernails may ________.

A. become harder than normal nails.

B. become thinner than normal nails.

C. become “half-and-half” nails.

D. have horizontal and vertical lines.

3.Who will have horizontal lines on the nails ?

A. A cancer patient who has received normal treatment.

B. Hungry African children suffering from severe malnourishment.

C. An explorer who had reached Zhangjiajie in Hunan Province.

D. A patient with serious illness, like kidney and liver problems.

4. Which of the following best describes the nails that show people lack iron?

A. The nails are thinner and more likely to break.

B. The nails will curve down and cover the fingers.

C. The nails will start to rise up on the sides and front.

D. The nails will change their colours on the surface.

At an auction (拍卖会) last Thursday, Kevin Lipton paid $2,585,000 for the Birch Cent, a made in 1792 that is its engraver (刻版师), Robert Birch. It’s the most money paid for a one-cent piece. And yes, he said, the purchase made . “It’s like our very first penny,” Lipton, 55, told the Los Angeles Times on Sunday. “It’s such a(n) coin. It’s so important, so rare.”

The coin is 10 similar coins known to exist that were produced after the founding of the U.S. Mint (美国造币厂), said Jim Halperin, co-chairman of Heritage Auctions. It features a profile face Miss Liberty, framed by a motto that was later abandoned, “Liberty Parent of Science & Industry.”

Lipton, who owns a coin wholesaling business (批发业务) in Beverly Hills, had been eyeing the Birch Cent he saw it in 1981 at a New York auction house. That year, Johns Hopkins University consigned (拍卖、寄售) the penny for auction, and it was by New York City developer Donald G. Patrick $200,000. Patrick consigned the coin to Texas-based Heritage Auctions. At the Orlando auction where Lipton the Birch Cent, he bought a quarter dollar from 1792 for $2,232,500. , he paid about $4.8 million for 26 cents.

Lipton has coins since he was 12 years old, and his full-time coin business _ when he was just 17. He that he was nervous about spending so much money, but now he’s his million-dollar coins will mature. “They are a great store value, and will only be worth more ,” Lipton said. ‘‘They are Mona Lisas of our coinage.’’

1.A. dollar B. note C. coin D. quarter

2.A. designed for B. sold by C. based on D. named after

3.A. ever B. even C. still D. yet

4.A. money B. sense C. changes D. adjustments

5.A. special B. magical C. artificial D. beneficial

6.A. between B. within C. among D. of

7.A. experimentally B. definitely C. finally D. perfectly

8.A. predicting B. indicating C. representing D. suggesting

9.A. until B. when C. after D. since

10.A. sold B. purchased C. borrowed D. lent

11.A. by B. on C. for D. in

12.A. set up B. picked up C. made up D. put up

13.A. also B. thus C. already D. just

14.A. Altogether B. Anyway C. However D. Besides

15.A. made B. issued C. displayed D. collected

16.A. started B. decreased C. failed D. progressed

17.A. concluded B. declared C. admitted D. swore

18.A. cautious B. confused C. committed D. confident

19.A. in the past B. in the future C. for the moment D. at the time

20.A. merely B. actually C. temporarily D. probably

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