46.What would be the best title for the text?

A.Just for a Rest              B.All for a Nap

C.A Special Sleep Pattern        D.Taking Naps in Warmer Climate

答案  44.C  45.C  46.B

Passage 51

(08·四川D篇)

Five million people visit Grand Canyon in the US every year.For the purpose of helping protect Grand Canyon for your fellow visitors and future generations,please follow the guidelines below.

Camping

To protect the park,camping is allowed only within permitted campgrounds.

Permits are required for overnight camping at the North Rim.Advance booking can be received by mail.Please write: Information Center,P.O.Box 129,Grand Canyon,AZ 86023

Fires

Because of the extreme fire danger,campfires are not allowed except at Mather and Desert View campgrounds.Collection of firewood is not allowed either.

Hiking(远足)

Please stay on permitted paths.Otherwise you may destroy desert plants.Pack out what you pack in,so you leave no signs of your visit.It is important to keep in mind that you are in a national park where wildlife exists.

Weather

The weather at Grand Canyon can change very quickly.With so much rock,

lightning(闪电) causes a particular danger during sudden summer storms.These storms also frequently bring floods inside valleys,a danger to hikers.Watch the skies and check daily weather reports.

Wildlife

Do not feed park wildlife.There have been a few cases at Grand Canyon National Park where deer(鹿) were purposely shot because they ate plastic bags that left them sick and weak.Hungry deer can be danger and have kicked and bitten visitors at Grand Canyon. Some other animals will also beg and bite.For your own safety and the well?being of the animals,please do not feed wildlife,no matter how gentle they may appear.

43.By mentioning her husband,Karen Williams wants to show that     .

A.housework is no easy job

B.her husband has no time to clean the kitchen

C.a housewife needs to be paid for cleaning

D.the kitchen is hard to clean

答案  40.D  41.A  42.D  43.A

Passage 50

(08·四川C篇)

Are you sometimes a little tired and sleepy in the early afternoon?Many people feel this way after lunch.They may think that eating lunch is the cause of the sleepiness.Or,in summer,they may think it is the heat.However,the real reason lies inside their bodies.At that time-about eight hours after you wake up-your body temperature goes down.This is what makes you slow down and feel sleepy.Scientists have tested sleeping habits in experiments where there was no night or day.The people in these experiments almost always followed a similar sleeping pattern.They slept for one long period and then for one short period about eight hours later.

In many parts of the world,people take naps(小睡)in the middle of the day.This is especially true in warmer climates(气候),where the heat makes work difficult in the early afternoon.Researchers are now saying that naps are good for everyone in any climate.A daily nap gives one a more rested body and mind and therefore is good for health in general.In countries where naps are traditional(传统的),people often suffer less from problems such as heart disease.

Many working people,unfortunately,have no time to take naps.Though doctors may advise taking naps,employers do not allow it!If you do have the chance,however,here are a few tips about making the most of your nap.Remember that the best time to take a nap is about eight hours after you get up.A short sleep too late in the day may only make you feel more tired and sleepy afterward.This can also happen if you sleep for too long.If you do not have enough time,try a short nap-even ten minutes of sleep can be helpful.

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