Willi around 100 students scheduled to be in that 9 am Monday morning lecture, it is no surprise that almost 20 people actually make it to the class and only 10 of them arc still awake after the first IS minutes; it is not even a surprise that most of them are still in their pyjamas (睡衣). Obviously, students are terrible at adjusting their sleep cycles to their daily schedule.
All human beings possess a body clock. Along with other alerting (警报) systems, this governs the sleep/wake cycle and is therefore one of the main processes which govern sleep behaviour. Typically, the preferred sleep/wake cycle is delayed in adolescents, which leads to many students not feeling sleepy until much later in the evenings. This typical sleep pattern is usually referred to as the "night owl" schedule of sleep.
This is opposed to the "early bird" schedule, and is a kind of disorder where the individual tends to stay up much past midnight. Such a person has great difficulty in waking up in the mornings. Research suggests that night owls feel most alert and function best in the evenings and at night. Research findings have shown that about 20 percent of people can be classified as "night owls" and only 10 percent can be classified as "early birds" - the other 70 percent are in the middle. Although this is clearly not true for all students, for the ones who are true night owls this gives them an excellent excuse for missing their lectures which unfortunately fall before midday.What docs the author stress in Paragraph I?
| A．Many students are absent from class. |
| B．Students are very tired on Monday mornings. |
| C．Students do not adjust their sleep patterns well. |
| D．Students are not well prepared for class on Mondays. |
Which of the following is true according to Paragraph 2?
| A．Most students prefer to get up late in the morning. |
| B．Students don't sleep well because of alerting systems. |
| C．One's body clock governs the sleep/wake cycle independently. |
| D．Adolescents' delayed sleep/wake cycle isn't the preferred pattern. |
Which of the following is closest in meaning to the underlined word "classified"?
| A．Criticised. | B．Grouped. | C．Organised. | D．Named. |
What docs the text mainly talk about?
| A．Functions of the body clock. |
| B．The "night owl" phenomenon. |
| C．Human beings' sleep behaviour. |
| D．The school schedule of "early birds". |
Experience the Colorado River the Hualapai Way!
River Runners offers the ONLY One Day Whitewater trip ANYWHERE at the GRAND CANYOU!
Since1973，Hualapai River Runners has been conducting whitewater rafting journey to the Colorado River. Our experienced guides expertly sail along the river and share the history of the Canyon and the Hualapai people with you.
Visitors experience the excitement of whitewater rapids and then stop to enjoy the impressive beauty of Travertine Falls and a tasty lunch．No charge for children 2 years and under.
One-Day Trip
Retail$249.00+$79.00(helicopter and round-trip ground transportation)
Whitewater rafting tours begin in Peach Springs．Hualapai River Runners transports you to Diamond Creek, which is the starting point for the 37 mile rafting tour. Lunch is included and upon arrival at the rafting tour termination point(终点)，fly out of the Grand Canyon by helicopter （直升机）to Grand Canyon West．
Two-Day Trip
Retail$549.00+$79.00(helicopter and round-trip ground transportation)
Two-day rafting trips with one night on the Colorado River. All supplies and meals are included. Two days in the Grand Canyon，on the Colorado River allows more time to explore one of the Seven Wonders of the World.
Tours Include：
●Round-trip transportation from Peach Springs to the starting point and from the termination point back to Peach Springs．
●Snack, drinks and lunch(vegetarian meals available upon request)
●Waterproof dry bags for storing your cameras, sunscreen, dry clothes, etc．
●The helicopter part of transportation is weather permitting. If the helicopter transportation is cancelled because of bad weather, the raft will continue an additional two hours to South Cove and a maximum（最大量）$20.00 per customer will be given back.
Special Website booking rate 15% off rafting in April 2010. So book now!
Call us Toll Free Today! Tel: 1-888-868-9378Where do whitewater rafting tours start?
| A．Travertine Falls | B．Peach Springs | C．Diamond Creek | D．Grand Canyon West |
We learn from the passage that _______.
| A．Hualapai River Runners provides dry clothes |
| B．you will get $20 back if you are dissatisfied |
| C．the trip is free of charge for children under 2 |
| D．online booking has a better offer all year round |
What is the purpose of the passage?
| A．To explore the Hualapai culture |
| B．To attract people to the sights |
| C．To explain how to make a rafting trip |
| D．To introduce the history of the Colorado River |
Few people realize that there is a big difference between formal English and informal English. Formal English is used for most writing, and often in public speaking and formal meetings. It pays close attention to grammar rules, because if we use proper grammar, our meaning is often more precise. Also, on important occasions, we do not want to appear uneducated or to offend (冒犯) others, so we are very careful about how we speak. Informal English is used in speaking or writing to our friends and family. It often does not pay such close attention to grammar rules, because when we speak or write to them, we want our words to flow quickly. Also, with our friends and family, we are usually not so worried about appearing uneducated or about offending them by how we write or speak.
A big difference between formal and informal English is the use of contractions. A contraction is where we make a word shorter or where we put two words together and take away some of the letters. For example, instead of saying “do not”, many people say “don’t”. Using contractions in our speech is fine because it sounds natural, especially when we speak to our friends. In formal writing, however, contractions are usually avoided because people might think that you have made a mistake, or that you do not know proper grammar.
In the same way we might make words shorter, in informal English we often make sentences shorter as well. For example, if someone asks you your name, you will likely answer with one word: your first name. However, in formal English we usually use complete sentences. For example, we might write “My name is John”. In most speaking, we may not need to use every word in a sentence because the person we are speaking to will probably still understand us. In most writing, however, every word in a sentence must be written out in order to make sure that we can be understood.When we use formal English, _______.
| A．we will offend others |
| B．we will appear educated on important occasions |
| C．we needn’t pay more attention to grammar rules |
| D．we can express ourselves more directly and more quickly |
What’s the meaning of the underlined word “precise”?
| A．clear | B．direct | C．puzzling | D．simple |
Contractions are best used when we are _______.
| A．speaking at a formal meeting | B．speaking in public |
| C．speaking to our friends | D．writing an application (申请) letter |
In speaking, we do not always use complete sentences because ______.
| A．we do not care about grammar | B．we do not want to sound stupid |
| C．we can still be understood | D．we don’t want to waste time |
Why do some people flush when they drink alcohol? This effect is a common reaction to alcohol among East Asians. It affects about 36 percent of Japanese, Chinese and Koreans.
For many, even a small amount of alcohol can cause unpleasant effects. Most commonly, their face, neck and sometimes their whole body turn red. People might also feel uncomfortable and sick to their stomach. They might experience a burning sensation, increased heart rate, shortness of breath and headaches.
The cause is a genetic difference that they are born with called an ALDH2 deficiency (缺乏). It prevents their bodies from treating alcohol the way other people do. But the effects might be more serious than just a red face. Researchers warn of a link between this condition and an increased risk of cancer of the esophagus (食道) from drinking alcohol.
The more alcohol people with this deficiency drink, the greater their risk is. In Japan and South Korea, for example, many people have the deficiency but still drink heavily. Researchers found that these drinkers develop a form of esophageal cancer six to ten times more often than those without the deficiency.
Esophageal cancer is one of the deadliest cancers. It can be treated when found early, but once it grows the chances of survival drop sharply. The researchers estimate that at least five hundred forty million people have the deficiency, about eight percent of the world’s population.
Philip Brooks is a researcher at the National Institute in the United States. He says it is important to educate people about the link between the alcohol flushing effect and esophageal cancer. He says doctors should ask East Asian patients about their experiences with facial flushing after drinking alcohol. Those with a history of it should be advised to limit their alcohol use. They should also be warned that cigarette smoking works with the alcohol in a way that further increases the risk of esophageal cancer.The underlined word “flush” in Paragraph 1 probably means “_________”.
| A．walk unsteadily | B．turn red in the face |
| C．appear unpleasant | D．talk more than usual |
The second paragraph is mainly about _________.
| A．the cause of the effects of alcohol |
| B．Asians and alcohol |
| C．the advantages of drinking alcohol |
| D．unpleasant effects caused by alcohol |
We can infer from the passage that _________.
| A．about 36 percent of Japanese, Chinese and Koreans are heavy drinkers |
| B．the ALDH2 deficiency may be passed on from generation to generation |
| C．unpleasant effects occur only when people with this deficiency drink a lot |
| D．only some East Asians have the ALDH2 deficiency |
Esophageal cancer is one of the deadliest cancers because _________.
| A．it can’t be treated at all |
| B．it is hard to be discovered early |
| C．it is hard to cure once it has developed |
| D．people are usually addicted to alcohol |
Cell Phones Are the New Cigarettes
When you get in your car, you reach for it．When you’re at work, you take a break to have a moment alone with it．When you get into a lift, you play with it．
Cigarettes? Cup of coffee? No, it’s the third most addictive thing in modern life, the cell phone．And experts say it is becoming more difficult for many people to curbtheir longing to hug it more tightly than most of their personal relationships．
With its shiny surface, its smooth and satisfying touch, its air of complexity, the cell phone connects us to the world even as it disconnects us from people three feet away．In just the past couple of years, the cell phone has challenged individuals, employers, phone makers and counselors（顾问）in ways its inventors in the late 1940s never imagined．
The costs are becoming even more evident, and I don’t mean just the monthly bill．Dr．Chris Knippers, a counselor at the Betty Ford Center in Southern California, reports that the overuse of cell phones has become a social problem not much different from other harmful addictions: a barrier to one-on-one personal contact, and an escape from reality．
Sounds extreme, but we’ve all witnessed the evidence: The person at a restaurant who talks on the phone through an entire meal, ignoring his kids around the table; the woman who talks on the phone in the car, ignoring her husband; the teen who texts messages all the way home from school, avoiding contact with kids all around him．
Is it just rude, or is it a kind of unhealthiness? And pardon me, but how is this improving the quality of life?
Jim Williams, an industrial sociologist based in Massachusetts, notes that cell-phone addiction is part of a set of symptoms in a widening gulf of personal separation．He points to a study by Duke University researchers that found one-quarter of Americans say they have no one to discuss their most important personal business with．Despite the growing use of phones, e-mail and instant messaging, in other words, Williams says studies show that we don’t have as many friends as our parents. “Just as more information has led to less wisdom, more acquaintances via the Internet and cell phones have produced fewer friends,” he says．
If the cell phone has truly had these effects, it’s because it has become very widespread．Consider that in 1987, there were only 1 million cell phones in use．Today, something like 300 million Americans carry them．They far outnumber wired phones in the United States．Which of the following best explains the title of the passage?
| A．Cell phone users smoke less than they used to． |
| B．Cell phones have become as addictive as cigarettes． |
| C．More people use cell phones than smoke cigarettes． |
| D．Using cell phone is just as cool as smoking cigarettes． |
The underlined word “curb” in Paragraph 2 means ____．
| A．rescue | B．ignore | C．develop | D．control |
The example of a woman talking on the phone in the car supports the idea that ．
| A．women use cell phones more often than men |
| B．talking on the phone while driving is dangerous |
| C．cell phones do not necessarily bring people together |
| D．cell phones make one-on-one personal contact easy |
Learn a new language as quickly as possible.
Learn like a spy! Be mistaken for a native.
Pimsleur courses help people who need to speak another language quickly. Our courses took 40 years to develop and are now used by the FBI, CIA, and business professionals everywhere. They’re so effective; you have nothing to lose!
You will get:
•Language instruction that is proven to be effective
•No boring repetition, charts or meaningless formulas
•Eight fluency-focused lessons on four audio CDs
•Audio instruction with a 25-year history of success
•Full 30-day money-back guarantee (just in case)
•Special offers on our more advanced courses
Reasons to learn using the Pimsleur Approach:
•Speak without an accent so that you sound like a native.
•Practice what’s natural to you in English.
•Feel safe and confident. You’ll know how to deal with any situation.
•Protect your busy life. 30-minute lessons are perfect for your daily commuting, lunch break, or workout.
•Remember without trying. Material is scientifically arranged so that you learn without pain.
•Join 25 million people who have graduated with success since 1980.
The entire Pimsleur Approach is what language learning should be: quick, fun, and easy! Each lesson is the foundation for the next. You’ll keep building on what you’ve learned.What can prove Pimsleur courses to be successful?
| A．Full 30-day money-back guarantee. |
| B．Eight fluency-focused lessons on four audio CDs. |
| C．30-minute lessons are perfect for your daily commuting, lunch break, or workout. |
| D．25 million people have graduated with success. |
According to the text, what does the course offer?
| A．Language rules for you to recite. |
| B．Effective language instruction. |
| C．Learning a new language by repeating many times. |
| D．Opportunities to work with business professionals. |
According to the text, which of the following is NOT a reason for choosing the Pimsleur Approach?
| A．It will correct your accent. |
| B．It will build your confidence. |
| C．It will teach you how to control your balance. |
| D．It will help you remember things easily. |
It can be inferred that the text is a (n) __________.
| A．report on a new language learning method |
| B．comment on a language training organization |
| C．notice of the opening of a new course |
| D．ad of a language training organization |
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