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At age 61, identical twins Jeanne and Susan no longer look exactly alike. Susan smoked for many years and is an admitted sun worshipper, whose habits Jeanne does not share. A new study of twins suggests you can blame those coarse(粗糙的)wrinkles, brown or pink spots on too much time in the sun, smoking, and being overweight.
Because twins share genes, but may have different exposures to environmental factors studying twins allows an “opportunity to control for genetic susceptibility(易受影响性),” Dr. Elma D. Baron, at Case Western Reserve School of Medicine in Cleveland, Ohio, and his colleagues explain in the latest issue of Archives of Dermatology.
Their analysis of environmental skin-damaging factors in 65 pairs of twins hints that skin aging is related more to environment and lifestyle than genetic factors.
But when it comes to skin cancer, the researchers say their findings support previous reports that both environment and genes affect skin cancer risk.
Baron’s team examined facial skin of 130 twins, 18 to 77 years old, who lived mostly in the northem Midwest and Eastern regions of the US, who were attending the Twins Days Festival in Ohio in August 2002. At this time, each of the twins also separately reported how their skin burned or tanned(晒黑)without sunscreen, their weight, and their history of skin cancer, smoking, and alcohol drinking. The study group consisted of 52 fraternal(异卵双生)and 10 identical twin pairs, plus 3 pairs who were unsure of their twin status.
From these data, the researchers noted strong ties, outside of twin status, between smoking, older age, and being overweight, and having facial skin with evidence of environmental damage. By contrast, sunscreen use and drinking alcohol appeared related to less skin damage.
Baron and his colleagues say the current findings, which highlight ties between facial aging and potentially avoidable environmental factors—such as smoking, being overweight, and unprotected overexposure to the sun’s damaging rays—may help motivate people to minimize these risky behaviors.
67.Which of the following is true according to the passage?
A.Jeanne and Susan share all the habits including smoking.
B.Skin aging is related more to environment and lifestyle than genetic factors.
C.Only identical twins can take part in the research.
D.Sunscreen use cannot help people have less skin damage.
68.Why did Baron’s team do the research on twins?
A.Twins are more likely to suffer from skin cancer.
B.It may guarantee the research is not influenced by genetic factors.
C.It gives others an opportunity to control twins’ genes.
D.It helps find twins are exposed to different environments.
69.What can you infer from the last paragraph?
A.This research makes people aware of dangerous lifestyles.
B.The environmental factors are unavoidable.
C.Being exposed to the sun is absolutely damaging.
D.There is little relationship between skin aging and environment.
70.The passage is mainly concerned with___________
A.skin cancer and environment
B.identical twins research
C.aging skin and environmental factors
D.genes and lifestyles

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I made a promise to myself on the way down to the vacation beach cottage. For two weeks I would try to be a loving husband and father. Totally loving. No ifs, ands or buts.
The idea had come to me as I listened to a talk on my car radio. The speaker was quoting a passage from the Bible about husbands being thoughtful of their wives. Then he went on to say, “Love is an act of will. A person can choose to love.” To myself, I had to admit that I had been a selfish husband. Well, for two weeks that would change.
And it did. Right from the moment I kissed Evelyn at the door and said, “That new yellow sweater looks great on you.”“Oh, Tom, you noticed,” she said, surprised and pleased. Maybe a little puzzled. After the long drive, I wanted to sit and read. Evelyn suggested a walk on the beach. I started to refuse, but then I thought, “Evelyn’s been alone here with the kids all week and now she wants to be alone with me.” We walked on the beach while the children flew their kites.
So it went. Two weeks of not calling the Wall Street firm where I am a director; a visit to the shell museum though I usually hate museums. Relaxed and happy, that’s how the whole vacation passed. I made a new pledge to keep on remembering to choose love.
There was one thing that went wrong with my experiment, however. Evelyn and I still laugh about it today. On the last night at our cottage, preparing for bed, Evelyn stared at me with the saddest expression.
“What’s the matter?” I asked her.
“Tom,” she said in a voice filled with distress, “do you know something I don’t?”
“What do you mean?”
“Well…that medical checkup I had several weeks ago…our doctor…did he tell you something about me?Tom, you’ve been so good to me…am I dying?” It took a moment for it all to sink in. Then I burst out laughing.
“No, honey,” I said, wrapping her in my arms. “You’re not dying; I’m just starting to live.”
From the story we may infer that Tom drove to the beach cottage __________.

A.with his family B.with Evelyn
C.all by himself D.with his children

During the two weeks on the beach, Tom showed more love to his wife because __________.

A.she looked lovely in her new clothes
B.he could afford time to care for her
C.he was willing to be a good husband
D.she was seriously ill

The author says, “There was one thing that went wrong with my experiment.” What was the one thing that went wrong?

A.He praised her sweater, which puzzled her.
B.She insisted on visiting a museum, which he hated.
C.He knew something about her illness but didn’t tell her.
D.He was so good to her that she thought she would be dying.

By saying “I’m just starting to live,” Tom means that __________.

A.he is just beginning to understand the real meaning of life
B.he is just beginning to enjoy life as a loving husband
C.he lived an unhappy life before and is now starting to change
D.he is beginning to regret what he did to his wife before

When you are in Nanoko, be sure to stay at the Garden Hotel, whether you come on business or on holiday you will find everything as comfortable and convenient as you would expect in a first class international hotel.
Every bedroom has its own bathroom, telephone, and colorful modern materials and furniture in the local style. In the Mistu Restaurant, you can choose your meals from a lot of dishes, both Eastern and European, as you will find anywhere in the country. In the Beach Bar, you can drink with your family and friends in air-conditioned comfort, listen to the music of internationally known artists. Or you can take your drink outside into the beautiful garden that gives the hotel its name, or to the tables that surround the swimming pool. Throughout the motel, you will find the service is both friendly and efficient.
By day the pool is alive with the holiday spirit and the happy shouting of children and by night, soft light and music make it a perfect place for a party, or simply for an after-dinner drink and conversation.
The Garden Hotel has its own minibus service. Give us a ring and we will arrange to collect you at the airport or in the city center.
If you prefer, we can arrange for you to visit the wainiri Islands that lie just off the coast. Here you can swim in peace; or you can fish there. As it is well known, Wainiri is really a good place for people going fishing. The Garden Hotel is right on the beach, only five minutes from Nanoko’s modern shopping center. Here you will find all that money can buy, at prices you can afford.
Every bedroom at the Garden Hotel _____.

A.has a bathroom
B.has a colorful telephone in the local style
C.is colorful and modern with local style
D.is in an international style, comfortable and convenient.

The hotel arranges for the visitors to _____.

A.go fishing off Cape St. Cermain near wainiri
B.go across to the Wainiri Islands to swim or fish
C.see amounts of sea lives off the coast of Wainiri
D.go by bus to the Wainiri Islands for peach

You will find the Garden Hotel _____.

A.on the beach not far from Nanoko’s excellent shops
B.on the beach where you will find all that money can buy
C.close to shops where everything is cheap and famous
D.just off the coast, five minutes from the shops

The Barbie doll first appeared at the toy fair in New York in 1959. Its creator was Ruth Handler, an American businesswoman. She and her husband Elliott along with Harold Matt Matson started the toy company Mattel. She based the design of the new doll on a German doll named Bild Lilli and named her after their daughter Barbara.
The first Barbie wore a black and white swimsuit and had her hair in a ponytail(马尾辫). She looked very grown-up. But any concerns that parents would not want to buy it for little girls were soon proved wrong.
Mattel sold 300,000 Barbie dolls in the first year at a price of three dollars. Today, a fifty-year-old Barbie in good condition might cost more than 27,000 dollars.
Barbie dolls have represented 50 different nationalities and are sold in 150 countries. Mattel says 90% of girls in the United States between the ages of three and ten own at least one Barbie doll. It says girls between the ages of three and six own an average of about 12.
Barbie also faced her share of critics. A well-known example was when women’s education groups objected to a talking Barbie doll that declared, among other things, “Math class is tough!” Mattel agreed to change it. Saudi Arabia has banned Barbie dolls. And a lawmaker in the American state of West Virginia would like to do the same. Last month, he proposed banning sales of Barbie and other dolls that influence girls to put too much importance on physical beauty.
Some people say Barbie is an unhealthy role model for young girls. Robin Gerber disagrees. She wrote a book about Barbie. She points out dolls like scientist Barbie and race car driver Barbie. She says people who criticize Barbie should tell girls the story of the businesswoman who created her. She says Ruth Handler wanted the dolls to help girls think about what they wanted to do with their lives.
The first Barbie doll might not be popular among little girls because _______.

A.her hairstyle was out of fashion
B.her appearance looked much too mature
C.her way of dressing was against the tradition
D.physical beauty wasn’t thought to be important

From the passage we know that Mattel ________.

A.is one of the world’s largest toy companies
B.is the director of an American toy company
C.was the woman who originally created Barbie
D.was a salesman who was good at selling Barbie dolls

Barbie dolls are criticized partly because they make girls ________.

A.pay too much attention to their physical beauty
B.neglect their schoolwork and inner beauty
C.prefer physical beauty to inner beauty
D.waste too much time and money on clothes

It can be inferred from the last paragraph that in her book Robin Gerber ________.

A.shows Barbie dolls have a negative influence on girls
B.praises a successful person who sells Barbie dolls
C.expresses her own favorable opinion about Barbie
D.argues for banning the sales of Barbie dolls

Internet dating has become one of the biggest and most successful business ventures on the Internet. Basically, Internet dating is a way to meet people for either friendship or dating without actually having to meet them in person first.
The first thing to do if you decide to try Internet dating is to build your profile(简介) which can include your hobbies, hopes for the future, and so on. A photograph is optional, but many sites claim that a photograph increases the number of people who look at your profile. Many Internet dating sites will charge a one-time registration fee to use their services.
Internet dating makes it possible to meet people from all over the world. You can even narrow the search down to your area by zip code. Another advantage is that you can communicate by email before you meet in person. Thousands of people have met, fallen in love, and married through Internet dating. It is an excellent way for shy people to meet. It is also a way for people with busy lives to connect with others, and an easy way to meet people who share your interests.
Just as in conventional dating and love, there are some pitfalls to be aware of in Internet dating. The person you have been talking to on the net may not be who they say they are. Be very aware that there are some people who misrepresent their appearance or private details, such as marital status, income, and so on, for their own reasons. It would not be the first time that someone has been taken in, and talk shows are full of cheating partners who have been caught dating over the Internet in their spare time. Nevertheless, taking a few simple precautions should help ensure that your Internet dating experience is fun.
Which of the following is a must to make an Internet dating possible?

A.A photo. B.A profile.
C.Registration fee. D.Business experience.

One advantage of Internet dating is that _______.

A.you can avoid a face-to-face meeting in the beginning
B.you're sure to find a partner with the same interests
C.you'll find absolutely reliable information of others
D.you'll gain fame and money overnight

The underlined word "pitfalls" in Paragraph 4 most probably means________.

A.rules B.trends C.problems D.skills

What is probably talked about following the last paragraph?

A.Conventional dating. B.Hidden advantages.
C.Safety measures. D.Romantic love.

In the computer age, most of us take a broadband Internet connection for granted. Whether cable or mobile broadband, today’s connections are many times faster than those in the early days. Videos play smoothly, complex websites load quickly, and files download much faster than ten years ago. And the files are much bigger too.
There’s a catch, of course. You have to live near enough to a major city to get broadband Internet. If you don’t, it’s slow dial-up access for you. And for those living really far out, there may be no Internet access at all.
Technology experts often talk about the “last mile” problem, which refers to the difficulty of bringing Internet access to remote locations. In cities and suburbs, it’s relatively easy to provide access for everyone. It is much more difficult to deliver access to those living far from cities, especially in developing countries. Internet service providers, for their part, have been reluctant to provide access to sparsely(稀疏地) populated areas. The handful of Internet users they would reach wouldn’t cover the expense.
But every year, technological advancements allow of more and more Internet users. Most broadband connections today run over existing cable TV and telephone lines although these technologies aren’t available everywhere. Some companies have delivered the Internet over standard power lines. Advancements in cheaper, more efficient fiber optics cables(光纤电缆) promise to bring extremely fast Internet connections to more users.
Still, the “last mile” problem remains hard to deal with. There will always be somewhere that doesn’t have an affordable broadband connection. But someday that might not matter. If the rapid progress in cell phone technology is any indication(迹象), it may not be too long before an Internet connection simply follows you wherever you go.
The underlined part “ a catch” (in Paragraph 2) probably means “________”.

A.a rare challenge B.a desirable plan
C.an efficient device D.a hidden problem

What can we know from the third paragraph?

A.Internet connection has not been popular in most cities.
B.Internet service providers care about rural customers.
C.Computer is popular in developing countries.
D.It is hard to bring Internet access to users in remote areas.

Paragraph 4 mainly tells us that technological advancements ________.

A.make TV and telephone available everywhere
B.bring great change to people’s everyday life
C.make it possible for more people to use the Internet
D.bring faster Internet connections to users

What may eventually settle the “last mile” problem?

A.The broadband connection’s getting faster.
B.More and more Internet users.
C.More and more Internet connections.
D.The rapid progress in cell phone technology.

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