摘要:70.If a volcano e , it explodes and sends smoke, fire and rock into the sky.

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No budget for your vacation? Try home exchanges ---- swapping houses with strangers. Agree to use each other’s cars, and you can save dollars on car rentals (租赁费), too.

Home exchanges are not new. At least one group, Intervac, has been facilitating such an arrangement since 1953. But trading online is gaining popularity these days, with several sites in operation, including Home Exchanges. Founded in 1992, with some 28,000 listings, this company bills itself as the world’s largest home exchange club, reporting that membership has increased 30% this year.

The annual fee is usually less than US$100. Members can access thousands of listings for apartments, villas, suburban homes and farms around the world. Initial contact is made via e-mail, with subsequent communication usually by phone. Before a match is made, potential swappers tend to discuss a lot.

However, the concept may sound risky to some people. What about theft? Damage? These are reasonable causes for concern, but equally unlikely. As one swapper puts it, “Nobody is going to fly across the ocean or drive 600 miles to come steal your TV. Besides, at the same time they’re staying in your home, you are staying in their home.”

Exchange sites recommend that swappers discuss such matters ahead of time. They may fill out an agreement spelling out who shoulders which responsibilities if a problem arises. It does not matter if the agreement would hold up in court, but it does give the exchangers a little satisfaction.

Generally, the biggest complaint among home exchangers has to do with different standards of cleanliness. Swappers are supposed to make sure their home is in order before they depart, but one person’s idea of “clean” may be more forgiving than another’s. Some owners say if they come back to a less-than-sparkling kitchen, it may be inconvenient but would not sour them on future exchanges.

1.What is the second paragraph mainly about? 

A.How to exchange homes.

B.The biggest home exchange agency Intervac.

C.The fact that home exchanges are not new.

D.A contrast between Intervac and Home Exchanges.

2.How do home exchangers normally begin their communication?

A.By phone.            B.Via a matchmaker.

C. By e-mail.  D.Via a face-to-face meeting.

3.What is recommended in the passage to deal with the concerns about theft and damage?

A.One can file a lawsuit in court.

B.Both parties can trade online.

C.One can damage the home of the other party in return.

D.Both parties can sign an agreement beforehand. 

 

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根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Watching a sporting event with family and friends under the sun is a great experience in summer.   【小题1】  In the United States, heat exposure led to 8,000 deaths between 1979 and 2003. Luckily, a little prevention can go a long way towards making sure of an enjoyable day.
Know the danger
Heat-related illnesses do not require record-breaking temperatures to occur.   【小题2】 The body’s temperature can reach 106 or 107 degrees Fahrenheit on a 90-degree day, creating a potentially deadly situation. Factors such as age, weight or a medical condition can influence people.
Drink plenty of water
【小题3】 Sweating is your body’s key way to keep cool, so drink water to stay well hydrated(含水的) before you feel thirsty. A cool beer may sound perfect on a hot day, but drink responsibly. Alcohol stops the body’s cooling system and causes you to go to the bathroom frequently.
 【小题4】 
Wear light-colored and loosely fitting clothing, so air can go around your body and help keep you cool. A hat is a must to help you keep cool, since your head contains many blood vessels(血管), and sun block(防晒乳) is always a good idea.
Take action
What should you do if you are suffering from the heat while watching your favorite event?
Get up and go. It is a simple piece of advice, but could make the difference between a quick recovery and something more severe that requires medical attention. The ideal thing is to move yourself from the position you’re in to an area that is a little cooler.  【小题5】

A.Weather-related causes
B.Dress for the occasion
C.In hot weather, it is essential to stay hydrated.
D.You may miss a little of the action, but it beats missing a lot.
E. It is also important to take advantage of services the equipment provides.
F. But when you add sun exposure to the crowds, the results can be deadly.
G. Temperatures between 80 and 90 degrees Fahrenheit can be dangerous.

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根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Watching a sporting event with family and friends under the sun is a great experience in summer.   1  In the United States, heat exposure led to 8,000 deaths between 1979 and 2003. Luckily, a little prevention can go a long way towards making sure of an enjoyable day.

Know the danger

Heat-related illnesses do not require record-breaking temperatures to occur.   2  The body’s temperature can reach 106 or 107 degrees Fahrenheit on a 90-degree day, creating a potentially deadly situation. Factors such as age, weight or a medical condition can influence people.

Drink plenty of water

3  Sweating is your body’s key way to keep cool, so drink water to stay well hydrated(含水的) before you feel thirsty. A cool beer may sound perfect on a hot day, but drink responsibly. Alcohol stops the body’s cooling system and causes you to go to the bathroom frequently.

 4 

Wear light-colored and loosely fitting clothing, so air can go around your body and help keep you cool. A hat is a must to help you keep cool, since your head contains many blood vessels(血管), and sun block(防晒乳) is always a good idea.

Take action

What should you do if you are suffering from the heat while watching your favorite event?

Get up and go. It is a simple piece of advice, but could make the difference between a quick recovery and something more severe that requires medical attention. The ideal thing is to move yourself from the position you’re in to an area that is a little cooler.  5

A.Weather-related causes

B.Dress for the occasion

C.In hot weather, it is essential to stay hydrated.

D.You may miss a little of the action, but it beats missing a lot.

E. It is also important to take advantage of services the equipment provides.

F. But when you add sun exposure to the crowds, the results can be deadly.

G. Temperatures between 80 and 90 degrees Fahrenheit can be dangerous.

 

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