Why do men live a shorter life than women? The latest research indicates that men’s hearts going into a rapid decline when they reach middle age could be the cause.
The research of ageing on the heart has shown that women’s longevity may be linked to the fact that their hearts do not lose much pumping power with age.
“We have found that the power of the male heart falls by 20-25 percent between 20 and 70 years of age,” said the head of the study, Samantha of Liverpool John Moores University in the UK.
“Within the heart there are millions of cells which make it beat.Between the ages of 20 and 70, one-third of those cells die and are not replaced in men ,” said Samantha.“This is part of the ageing process.”
What amazes scientists is that the female heart suffers very little loss of these cells.A healthy 70-year-old woman’s heart could work almost as perfectly as a 20-year-old one’s.
“This gender （性别）difference might give the reason why men live shorter than women,”said Samantha.They studied over 250 healthy men and women between the ages of 17 and 80, who are mainly healthy persons so as to reduce the influence of disease.“The team has yet to think about why ageing suffers a greater loss on the male heart,” said Samantha.
But there is also good news -- men can enjoy the health of their hearts with regular exercise.Samantha stressed that women should also take regular exercise to stop their leg muscles getting weaker as they age.The underlined word “longevity” in the second paragraph means “________”.
| A．health | B．long life | C．ageing | D．effect |
The text mainly talks about ________.
| A．men’s heart cells | B．women’s ageing process |
| C．the gender difference | D．hearts and long life |
According to the text, the UK scientists have known that ________.
| A．men have fewer cells than women when they are born |
| B．women can produce the cells that make the heart beat |
| C．the female heart suffers less loss of the cells with age |
| D．women will never suffer the loss of pumping power with age |
If you want to live a long life, you should ________.
| A．enable your heart to beat much faster |
| B．think about the reason for ageing |
| C．take regular exercise to keep your heart healthy |
| D．stop your cells from being lost |
Obama Still Smokes in Secret
US President Barack Obama has just made life more difficult for cigarette makers. He has just signed a law that will set tough new rules for the tobacco industry. The new law gives the US Food and Drug Administration the power to strictly limit the making and marketing of tobacco products.
At a White House signing ceremony Monday, Obama said that he was among the nearly 90% of smokers who took up the habit before their 18 th birthday.
Obama, who has publicly struggled to give up smoking, said he still hadn’t completely kicked the habit. Every now and then he still smokes in secret.
“As a former smoker I struggle with it all the time. Do I still smoke sometimes? Yes. Am I a daily smoker, a constant smoker? No.” Obama said at a news conference.
“I don' t do it in front of my lads．I don ?t do it in front of my family．I would say that I am 95% cured, but there are times when I mess up, " he said．
"Once you go down this path, it' s something you continually struggle with, which is exactly why the law is so important．The new law is not about me, it' s about the next generation of kids coming up．What we don ' t want is kids going down that path," he said．
Nearly 20% of Americans smoke and tobacco use kills about 440,000 people a year in the United States due to cancer, heart disease, and other serious diseases．The new law makes life difficult for.
| A．Obama |
| B．tobacco industry |
| C．White House |
| D．US Food and Drug Administration |
What do we know about Obama?
| A．He no longer smokes． |
| B．He still smokes as usual． |
| C．He began to smoke at eighteen． |
| D．He is trying hard to give up smoking． |
According to the passage, Obama is most concerned about ．
| A．children | B．officials | C．his family | D．Businessmen |
请认真阅读下面短文，并根据所读内容在文章后表格中的空格里填入最恰当的单词。
注意：每个空格只填1个单词。
Homework is a great way for kids to develop independent, lifelong learning skills, so here are some general homework tips for parents:
● Make sure your child has a quiet, well-lit place to do homework.
Avoid having your child do homework with the television on or in places with other distractions, such as people coming and going.
● Make sure the materials your child needs, such as some paper, pencils and a dictionary, are available.
Ask your child if special materials will be needed for some projects and get them in advance.
● Help your child with time management.
Establish a set time each day for doing homework. Don’t let your child leave homework until just before bedtime. Think about using a weekend morning or afternoon for working on big projects, especially if the project involves getting together with classmates.
● Be positive about homework.
Tell your child how important school is. The attitude you express about homework will be the attitude your child acquires.
● When your child asks for help, provide guidance, not answers.
Giving answers means your child will not learn the material. Too much help teaches your child that when the going gets rough, someone will do the work for him or her.
Cooperation with the teacher. It shows your child that the school and home are a team. Follow the directions given by the teacher.
● Reward progress in homework.
If your child has been successful in homework completion and is working hard, celebrate that success with a special even (e.g. pizza, a walk, a trip to the park) to reinforce the positive effort
| Title |
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| Topic |
Basic requirements |
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| A single room |
●Quiet and well-lit ● |
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| Materials for homework |
Things |
●Some paper ●Some pencils ●A dictionary ● |
| Time management |
Doing homework |
A |
| Attitudes to homework |
● ●Accepted by children |
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| Dos and don’ts |
●Provide guidance ●Don’t give answers ●Cooperate with the teacher ●Follow the teacher’s directions |
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| Successful homework |
Reward the child with a special event. |
It is difficult for doctors to help a person with a damaged brain. Without enough blood, the brain lives for only three to five minutes. More often the doctors can’t fix the damage. Sometimes they are afraid to try something to help because it is dangerous to work on the brain. The doctors might make the person worse if he operates on the brain.
Dr. Robert White, a famous professor and doctor, thinks he knows a way to help. He thinks doctors should make the brain very cold. If it is very cold, the brain can live without blood for 30 minutes. This gives the doctor a longer time to do something for the brain.
Dr. White tried his idea on 13 monkeys. First he taught them to do different jobs, and then he operated on them. He made the monkeys' blood go through a machine. The machine cooled the blood. Then the machine sent the blood back to the monkeys' brains. When the brain’s temperature was 10°C, Dr. White stopped the blood to the brain. After 30 minutes he turned the blood back on. He warmed the blood again. After their operations the monkeys were like they had been before. They were healthy and busy. Each one could still do the jobs the doctor had taught them.The biggest difficulty in operating on the damaged brain is that.
| A．the time is too short for doctors |
| B．the patients are often too nervous |
| C．the damage is extremely hard to fix |
| D．the blood-cooling machine might break down |
The brain operation was made possible mainly by.
| A．taking the blood out of the brain |
| B．trying the operation on monkeys first |
| C．having the blood go through a machine |
| D．lowering the brain’s temperature |
What is the right order of the steps in the operation?
a. send the cooled blood back to the brain b. stop the blood to the brain
c. have the blood cooled down d. operate on the brain
| A．a, b, c, d | B．c, a, b, d | C．c, b, d, a | D．b, c, d, a |
What is your favorite color? Do you like yellow, orange, and red? If you do, you must be an optimist(乐观者), a leader, an active person who enjoys life, people and excitement. Do you prefer grays and blues? Then you are probably quiet, shy and you would rather follow than lead. If you love green, you are strong-minded and determined. You wish to succeed and want other people to see you are successful. At least this is what psychologists tell us, and they should know, because they have been seriously studying the meaning of color preference(爱好), and the effect that colors have on human beings. They tell us that we don't choose our favorite color as we grow up. If you happen to love brown, you did so as soon as you opened your eyes, or at least as soon as you could see clearly.
A yellow room makes us feel more cheerful and more comfortable than a dark green one, and a red dress rings warmth and cheer to the saddest winter day. On the other hand, black is depressing(压抑). Light and bright colors make people not only happier but more active. It is a fact that factory workers work better, harder, and have fewer accidents when their machines are painted orange rather than black or dark gray.
Remember, then, that if you feel low, you can always brighten your day or your life with a new shirt or a few colorful things. Remember also that you will know your friends and your enemies better when you find out what colors they like and dislike. And don't forget that anyone can guess a lot about your character when you choose a piece of handkerchief.According to this passage,.
| A．one can choose his color preference |
| B．one is born with his color preference |
| C．one’s color preference is changeable |
| D．one has to choose his favorite color as soon as he can see clearly |
The main idea of this passage is.
| A．one's color preference shows one's character |
| B．you can brighten your life with wonderful colors |
| C．psychologists have been studying the meaning of color preference |
| D．one's color preference has something to do with his character and colors have effects on human beings |
The writer believes that in realizing the four modernizations of country, we need more people who love.
| A．yellow | B．red | C．green | D．black |
Taking the dog to the beach on a hot summer's day is a great way to relax. But not all beaches are dog friendly. So if you're looking to take your dog to the coast this summer, here's a few of the country's most dog-friendly beaches.
| Sunshine Beach Where: Noosa, Queensland Only a 10-minute drive from Noosa, Sunshine Beach also welcomes dogs with open paws. Once known as Golden Beach, its long white beaches make it a paradise for anyone who loves fishing, boating, surfing or just relaxing on the beach with family and friends. Restrictions (限定): Dogs can freely explore the shoreline from Noosa National Park to the path leading from Seaview Terrace. |
| Tallow Beach Where: Byron Bay, New South Wales With white sand that stretches (延伸) for miles, and clean, clear waters washing its shores, Byron certainly doesn't want for beautiful beaches — and Tallow Beach is no exception. This seven-kilometer-long beach stretches all the way to Broken Head Reserve. Restrictions: The beach's dog-friendly area starts near Jarman Street and stretches north to the outside of Arakwal National Park. |
| Muirs Beach Where: Coles Bay, Tasmania One of the few beaches that falls outside of Freycinet National Park, Muirs, is a great family beach that welcomes dogs, too. Compared to famous sheltered beaches of Freycinet, it is more open to the waves from the Tasman Sea, making it ideal for windsurfing. The beach itself is very long, so there is plenty of space to let your dog run free. Restrictions: Dog owners must respect the environment and use the poop bags provided at the entrance to the beach to get rid of any dog waste.Fines apply (运用). |
| Yorkeys Knob Beach Where: Queensland Located just 15 minutes from Cairns, Yorkeys Knob Beach is a great spot to relax with your dog. Named after a local fisherman called "Yorkey" who lived on the rocky hill (“knob”), this wonderful little beach is one of the best-kept secrets in Tropical North Queensland. It is ideal for swimming and snorkelling in the summer season. Restrictions: The southern end of the beach is the "dog off-chain" end where your dog is allowed to run free; dogs must be on a chain in all other areas of the beach. |
What can we learn from the underlined sentence?
| A．Tallow Beach is not popular in Byron Bay. |
| B．Beautiful beaches are not important in Byron Bay. |
| C．Tallow Beach is the most beautiful beach in Byron Bay. |
| D．Tallow Beach is one of the beautiful beaches in Byron Bay. |
On Muirs Beach, if people do not get rid of dog waste,.
| A．it’s just fine to let it be |
| B．they have to clean the beach |
| C．they’ll get punished by paying money |
| D．they have to provide poop bags at the entrance to the beach |
Which of the following statements is TRUE?
| A．All beaches welcome people together with their dogs. |
| B．Tallow Beach was named after a local fisherman. |
| C．Yorkeys Knob Beach is a good place for windsurfing. |
| D．Dogs can run free only on some of the beaches mentioned above. |