When we smile, our system recognizes that there’s an absence of threat, and relaxes: It slows down our heart rate, and may temporarily reduce blood pressure, too, promoting overall heart health. Even forcing your face into a smile can reduce stress and relax your heart rate.

Smiling is a language that everyone understands regardless of age, race, culture, language, and nationality. We all know that when you smile at people, even strangers, they almost always smile back, spreading a kind of peace and goodwill. This contagious(有感染力的)smiling comes from a subconscious tendency to match other people’s emotions. It’s why people who spend time around children,who smile often, naturally smile more than people who keep mostly adults company.

People who are generous with smiles are considered more likeable and approachable than people who wear a deadpan(面无表情的)expression. Consider successful salesmen and politicians. Can you imagine how we’d react if they wore sour expressions? People who smile a lot are more likely to gain our trust — and earn better tips — than someone who provides the same service with an impassive face.

In a study, Major League Baseball players from 1952 who wore full-faced, genuine smiles on their baseball cards lived longer, around 79.9 years, compared to players who only partly smiled or didn’t smile at all, who lived 5 to 7 years less. Smiling can make us look younger, too: People who smile frequently seem to age more slowly, appearing around three years younger than their less smiley counterparts.

We now have evidence that we are hardwired to smile. While smiling used to be considered a learned behavior that babies acquired at around six weeks of age, more advanced ultrasound testing has shown that even babies who are bom blind can smile. Babies have been known to make breathing and sucking movements while still in the womb(子宫), and these reactions are thought to prepare them for their life outside. Now smiling has joined the list. Say cheese!

1.What can smiling do according to Paragraph 1?

A. Remove your life pressure.

B. Improve the condition of the heart.

C. Make your blood pressure steady.

D. Prevent you from being absent-minded.

2.What should you do if you want to smile more according to the author?

A. Stay more with people smiling more.

B. Approach smart children.

C. Care more about others’ feelings.

D. Volunteer together with more strangers.

3.What does the author want to show by mentioning salesmen and politicians?

A. A false smile may hurt people.

B. Smiles contribute to a career.

C. Generous people tend to smile more.

D. Work pressure stops people smiling.

4.What does the author suggest in the last paragraph?

A. Babies smile within 2 months.

B. Blind babies learn to smile.

C. Smiling is a natural ability.

D. Breathing and sucking are similar to smiling.

The days of glancing at a map or the screen of your smart phone when you’re lost will soon be over, thanks to new shoes that tell you which way to turn to. The shoes use a Bluetooth link to communicate with your mobile’s mapping system. The mobile works out which route you should be following and the shoes then produce a slight shaking in either foot telling you when and where to change direction.

The shoes will also count the number of steps you’ve taken and the calories you’ve burned, and they’ll even buzz to warn you you’ve left your phone behind, or to tell you when you’re travelling past an interesting landmark.

“They are as easy to use as a tap on the shoulder,” said Krispian Lawrence, 30, who developed the shoes with partner Anirudh Sharma, 28, in Hyderabad, India. “You can even communicate with them using hand gestures and finger snaps because the shoes have sensors that can pick up movement and sound.”

The Lechal shoes go on sale worldwide in June but Lawrence and Sharma’s company, Ducere Technologies, has already taken more than 3,000 pre-orders. Lawrence believes the shoes will also improve road safety. “If I’m on my bike or motorbike, I don’t want to stare at my phone ---it’s dangerous,” he says. “I’d rather be guided by my footwear.” He believes his invention will prove invaluable for the visually impaired and has promised that every mainstream pair sold by Ducere will subsidize(资助) a cheaper pair for a visually damaged person.

Footnav technology does not impress explorer Sir Ranulph Fiennes, however. “What’s wrong with a good old-fashioned map?” said the 70-year-old when told of the shoes. “If you rely too heavily on technology, you’re heading for trouble. Too many people have forgotten the basics: how to read a map and a compass.”

1.According to the passage, which of the following can smart shoes NOT do?

A. Guiding your road.

B. Warning of the loss of your wallet.

C. Counting your steps and calories.

D. Reminding you of landmarks.

2.Smart shoes can be used as a map mainly because .

A. they can talk to people

B. they can produce a slight shaking

C. they are guided by a remote control

D. they are linked to mobiles’ mapping system

3.What’s the possible meaning of the underlined word “impaired”?

A. Discouraged. B. Disabled.

C. Disappointed. D. Disliked.

4.What is Sir Ranulph’s attitude towards this invention?

A. Positive B. Negative.

C. Disturbing. D. Confused.

Think of life as a game in which you are playing with five balls in the air. You name them work, family, health, friends and spirit and you keep all of them in the air. You will soon understand that work is a rubber ball. If you drop it, it will bounce(弹跳) back.

But the other four balls, family, health, friends and spirit, are made of glass. If you drop one of these, they will be broken. They will never be the same. You must understand that and try to have balance in your life. How?

Don't look down on your worth by comparing yourself with others. It is because we are different and each of us is special.

Don't let other people set goals for you. Only you know what is best for yourself.

Don't give up when you still have something to give. Nothing is really over until the moment you stop trying.

Don't be afraid of difficulties. It is by taking chances that we learn how to be brave.

Don't shut love out of your life by saying it's impossible. The quickest way to receive love is to give it; the fastest way to lose love is to hold it too tightly; the best way to keep love is to give it wings.

Don't run through life so fast that you forget not only where you've been, but also where you are going.

Don't be afraid to learn. Knowledge is a treasure you can always carry easily.

Don't use time or words carelessly. You can't get them back. Yesterday is history, tomorrow is a mystery(秘密), and today is a gift; that's why we call it "the present". Life is not a competition, but a trip, step by step.

1.The sentence "Nothing is really over until the moment you stop trying." means "_______."

A. Nothing is possible

B. If we don't give up, there is always hope

C. You should learn to give up

D. Although you try, nothing will change

2.If you run through life so fast, you will _______.

A. lose your own treasure that you can always carry easily

B. lose love by holding it too tightly

C. forget not only where you've been, but also where you are going

D. not be afraid of the difficulties

3.According to the passage, which is the best title?

A. Nothing Is Impossible B. Glass Balls Are Easy to Be Broken

C. Things You Can't Do D. Treat Your Life in a Right Way

University Room Regulations

Approved and Prohibited Items

The following items are approved for use in residential (住宿的) rooms: electric blankets, hair dryers, personal computers, radios, televisions and DVD players. Items that are not allowed in student rooms include: candles, ceiling fans, fireworks, waterbeds, sun lamps and wireless routers. Please note that any prohibited items will be taken away by the Office of Residence Life.

Access to Residential Rooms

Students are provided with a combination (组合密码) for their room door locks upon check-in. Do not share your room door lock combination with anyone. The Office of Residence Life may change the door lock combination at any time at the expense of the resident if it is found that the student has shared the combination with others. The fee is $25 to change a room combination.

Cooking Policy

Students living in buildings that have kitchens are only permitted to cook in the kitchen. Students must clean up after cooking. This is not the responsibility of housekeeping staff. Kitchens that are not kept clean may be closed for use. With the exception of using a small microwave oven (微波炉) to heat food, students are not permitted to cook in their rooms.

Pet Policy

No pets except fish are permitted in student rooms. Students who are found with pets, whether visiting or owned by the student, are subject to an initial fine of $100 and a continuing fine of $50 a day per pet. Students receive written notice when the fine goes into effect. If, one week from the date of written notice, the pet is not removed, the student is referred to the Student Court.

Quiet Hours

Residential buildings must maintain an atmosphere that supports the academic mission of the University. Minimum quiet hours in all campus residences are 11:00 pm to 8:00 am Sunday through Thursday. Quiet hours on Friday and Saturday nights are 1:00 am to 8:00 am. Students who violate quiet hours are subject to a fine of $25.

1.What if a student is found to have told his combination to others?

A. He should check out of the room.

B. The Office should be charged.

C. He should replace the door lock.

D. The combination should be changed.

2.What do we know about the cooking policy?

A. A housekeeper is to clean up the kitchen.

B. Cooking in student rooms is permitted.

C. A microwave oven can be used.

D. Students are to close kitchen doors after cooking.

3.If a student has kept a cat in his room for a week since the warning, he will face _____.

A. parent visits B. the Student Court

C. a fine of $100 D. a written notice

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