Here’s a new warning from health experts: sitting is deadly. Scientists are increasingly warning that sitting for long periods, even if you exercise regularly, could be bad for your health. And it doesn't matter where the sitting takes place--in the office, at school, in the car or before a computer or TV. Just the overall number of hours it takes matters. Several studies suggest people who spend most of their days sitting are more likely to be fat, have a heart attack or even die. While health officials have issued(发布) guidelines advising on the least amounts of physical activities, they haven’t suggested people try to limit how much time they spend in a seated position.
“After four hours of sitting, the body starts to send harmful signals,” said Ekblom-Bak of the Swedish School of Sport and Health Sciences. She explained that genes controlling the amount of glucose(葡萄糖) and fat in the body start to shut down.
Even for people who exercise, spending long periods of time sitting at a desk is still harmful. Tim Armstrong, a physical activity expert at the World Health Organization, said people who exercise every day but still spend a lot of time sitting might get more benefits if that exercise were spread across the day, rather than in a single hour.
Still in a study that tracked more than 17,000 Canadians for about a dozen years, researchers found people who sat more had a higher death risk, whether they exercised or not. Experts said more research is needed to figure out just how much sitting is dangerous, and what might be possible to offset those effects.
People should keep exercising because that has a lot of benefits,” Ekblom-Bak said. “And when they’re in the office, they should try to interrupt sitting as often as possible.”
1.The underlined word “offset" in Paragraph 6 most probably means_______.
A. get rid of B. make use of
C. work out D. turn to
2.Sitting too much is dangerous because it can________ .
A. increase glucose and fat in the body
B. make a person become lazy
C. destroy the balance of glucose and fat in the body
D. make a person unable to exercise enough in a day
3.In the opinion of Ekblom-Bak, when at work, you’d better have a rest by_______ .
A. taking a walk around your office
B. chatting online or playing computer games
C. sending your friends emails
D. listening to music while sitting
4.Which of the following might be the best title for the passage?
A. More and More People Sit Too Much
B. Side Effects of Sitting Too Much
C. Don’t Sit Too Much While Working
D. Sitting Too Much Could Be Dangerous
The morning had been a disaster. My tooth was aching, and I'd been in an argument with a friend. Her words still hurt：“The trouble with you is that you won't put yourself in my place. Can't you see things from my point of view？”I shook my head stubbornly—and felt the ache in my tooth. I'd thought I could hold out till my dentist came back from holiday, but the pain was really unbearable. I started calling the dentists in the phone book, but no one could see me immediately. Finally, at about lunchtime, I got lucky.
If you come by right now, ”the receptionist said, “the dentist will fit you in.”
I took my purse and keys and rushed to my car .But suddenly I began to doubt about the dentist. What kind of dentist would be so eager to treat someone at such short notice？Why wasn't he as busy as the others?
In the dentist's office, I sat down and looked around. I saw nothing but the bare walls and I became even more worried. The assistant noticed my nervousness and placed her warm hand over my ice-cold one.
When I told her my fears, she laughed and said, “Don't worry. The dentist is very good.”
“How long do I have to wait for him？”I asked impatiently. “Come on, he is coming. Just lie down and relax. And enjoy the artwork, ”the assistant said. “The artwork？”I was puzzled.
The chair went back. Suddenly I smiled. There was a beautiful picture, right where I could enjoy it：on the ceiling. How considerate the dentist was！At that moment, I began to understand what my friend meant by her words.
What a relief!
1.Which of the following best describes the author's feeling that morning?
A. Satisfied B. Cheerful. C. Nervous. D. Upset..
2.What made the author begin to doubt about the dentist?
A. The surroundings of the dentist's office.
B. The laughing assistant of the dentist.
C. The dentist's agreeing to treat her at very short notice.
D. The dentist's being as busy as the other dentists.
3.Why did the author suddenly smile?
A. Because the assistant kept comforting her.
B. Because she could relax in the chair.
C. Because the dentist came at last.
D. Because she saw a picture on the ceiling.
4.What did the author learn from her experience most probably?
A. Have a good word for one's friend.
B. Put oneself in other's shoes.
C. Strike while the iron is hot.
D. A friend in need is a friend indeed.
John Smith was a writer, who wrote detective stories for magazines, though he never dealt with criminals. One evening he could not finish an end for a story. He sat in his study, but he had no ideas. So he decided to go to the cinema.
When he came back, he found that he had had a visitor. Someone had broken into his house. The visitor had had a drink, smoked several of his cigarettes and had read his story. The visitor left him a note. “I have read your story and I don’t think it is very good. Please read my suggestions and you can finish it. By the way, I am a thief. I’m not going to steal anything tonight. But if you become a successful writer, I will return.”
John read the thief’s suggestions. Then he sat down and wrote the rest of the story. He is still not a successful writer, and he is waiting for his “visitor” to return. Before he goes out in the evening, he always leaves a half-finished story in his study.
1.Detective stories are stories about________ .
A. the future B. the police
C. children D. science
2.John went to the cinema because_________ .
A. he could not finish his story and hoped to get some ideas
B. he wanted to enjoy himself in the cinema
C. he wanted to look for a thief
D. he was too tired
3.The visitor came to John’s house in order to_________ .
A. visit the writer B. have a drink
C. steal something D. read the story
单句翻译
1.建筑师应该保证有轮椅的足够通道。 (access)
_______________________________________________________________
2.他的雄心壮志是成为第一个登上火星的中国宇航员。(to do 作表语和定语; 火星：Mars)
_______________________________________________________________
3.令他妈妈满意的是，他很快适应了新学校。
_______________________________________________________________
4.他到达电影院，却被告知票已经卖完了。（to do 做状语）
_______________________________________________________________
5.直到他打电话，我才意识到我把毕业证书落在他办公室了。(强调句)
_______________________________________________________________
6. 我被吓得要死，这令他很开心。（定语从句）
_______________________________________________________________
7.我羡慕他家的房子，房子的建造花费了100万美元。（定语从句）
_______________________________________________________________
8.在被狗咬了几次以后，那个邮递员再也不给我家送信了。(分词做状语)
_______________________________________________________________
9.他很害怕被老师批评。（动名词作宾语）
_______________________________________________________________
10.被妈妈责备使他很沮丧。（动名词作主语）
_______________________________________________________________
语法填空
阅读下面材料，在空白处填入适当的内容（只填1词）或括号内单词的正确形式。
“You can always see a beautiful sky at the top of the mountain, but you can’t see it before you reach the top.”
Whenever the sun 1. (drop) and the blue sky came up, my father and I used to climb the mountain near my house. 2. (walk) together, my father and I used to have a lot of conversations through 3. I learned lessons from his experiences. He always stressed to me, “You should have objectives and capacity (容量) like4. mountain.”
This5. (have) largely influenced my life. Without the mountain-climbing that we both enjoyed, we couldn’t have had enough time6. (spend) together because my father was very busy. I believe mountaineering is really7. (benefit). It gave me time to talk with my father and to be in deep thought as well as develop my 8. (patient). I loved climbing9. (mountain), to get away10. the noise and pollution of the city, and breathe the fresh air.
阅读下面句子并根据句意或结构完成每个句子，并将答案写在答题纸上。
1.He r____________ from the government and became a businessman.
2.He a____________ his car on the roadside when it broke down and called a taxi.
3.My little sister is 4 years my j____________.
4.He raised the fire a____________ when he saw the building across the street was on fire.
5.You should be fully a____________ of the risks involved.
6.I feel no ____________ (同情心) for him, for it is all his fault.
7.He is the only ____________ (目击者) to this accident.
8.John was planning on how to spend their wedding ____________ (周年纪念日).
9.Making ____________ (利润) is not the only aim of running a business.
10.He was given two days to r____________(反思) on what the boss had said.
