2001年高考英语试题及答案(北京、安徽卷)

　　阅读下列短文，从每题所给的四个选项中，选出一个最佳答案。

　　D

　　You are what you eat. This saying has provided scientists with clues(线索)about the diet of hominids-our early relatives of 3 million years ago.

　　Studying carbon atoms(碳原子)locked up in tooth enamel(珐琅质),two researchers argue against the widely held belief that hominids ate little more than fruits and leaves. Sponheimer and Julia Lee-Thorp of the University of Cape Tomn, South Africa, report their findings in Friday's Science.

　　There aren't many clues for us to know the life of early hominids. The shape of hominids' teeth offered the first clues. Large and flat-edged with thick enamel, they looked perfect for eating nuts and fruits, different from the sharp teeth one would want to tear into meat with. The first stone tools. Which would help in eating meat, didn't appear until about half a million years later.

　　Scientists have also found marks on hominids' teeth with patterns very similar to those on the teeth of modern-day fruit eaters. Sponheimer and Lee-Thorp tried a new method, looking at the chemical composition of the tooth enamel. They studied the enamel for the carbon-13. Ani-mals that eat grasses have higher carbon-13 levels than those eating fruits and other plants.

　　What they found was that the teeth of the hominids had an in-between amount of carbon-13, which meant not only they were eating fruits, they were eating a lot of grasses, or animals eating grasses. The lower carbon-13 levels could also come from eating certain types of insects(昆虫)。

　　But there are people who understand differently. Prof. Ungar of the University of Arkansas agrees the study offers new suggestions of hominid diet, but disagrees about the suggestion that meat could explain the lower carbon-13 levels.

　　One suggestion might be true though- take good care of your teeth. In 3 million years, a scientist might be using them to figure out what you ate for dinner.

　　64.Which of the following can be the best title for the text?

　　A.Protect Your Teeth B.What the Hominid Ate

　　C.Where the Hominid lived D.The Formation of Tooth Eeamel

　　65.Before the two scientists' findings, most people thought that hominds______

　　A.lived half a million years ago

　　B.ate mainly fruits and leaves

　　C.used tools to dig grass

　　D.had sharp teeth

　　66.The two scientists'findings were mainly based on the study about__________

　　A.the shape of hominids' teeth

　　B.the teeth marks of early fruit eaters

　　C.the grasses of 3 million years ago

　　D.the make-up of the tooth enamel

　　67.What is it that Prof. Ungar finds doubtful?

　　A.Hominids possibly ate grass-eating animals.

　　B.Hominids probably had different diets

　　C.Hominids were bsically fruit-and grass-eaters.

　　D.Hominids had lower level of carbon-13 in their teeth.

　　阅读下列短文，从每题所给的四个选项中，选出一个最佳答案。

　　E

　　HOW TO BOOK

　　Booking opens for Beckett Shorts on 8 September

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　　For credit card(信用卡)bookings.Calls are answered.

　　BOX OFFICE

　　01789 295623 9am-8pm(Mon-Sat)0541 541051(24 hours, 7 days, no

　　booking charge).

　　BY FAX

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　　Booking opens for all other plays on 19 September.

　　IN PERSON

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　　68.In which of the following ways of booking does one probably have to pay extra money?

　　A.In person B.By telephone C.By fax D.By post

　　69.One has to wait for 2 days or longer for a reply if he/she pays_________.

　　A.in person B.by telephone C.by fax D.by post

　　70.What is a useful number to call at l1am Sunday?

　　A.01789 295623 B.0541 541051 C.01789 261174 D.01862 387665

　　根据对话内容，从对话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。

　　Mrs Jackson：Hello?

　　Richard：Mum, it's Richard. 71

　　Mrs Jackson：Oh, Richard. 72

　　Richard：Yes, yes, fine. Mum, I was wondering…do you think you could lend me some money tilll the end of the month?

　　Mrs Jackson：Oh, Richard. 73 You really must learn to plan your money properly.

　　Richard：Look, Mum, if you can just help me out this time. 74

　　Mrs Jackson： 75 Listen, I'll do it this time. This is really the last time.

　　Richard：Oh, thanks, Mum

　　Mrs Jackson：Bye… and next time, you could phone just for a chat!

　　A.Don't tell me you're buying another expensive computer.

　　B.How are you?

　　C.I promise I'll be more careful in future.

　　D.Er… I will help you save money.

　　E.Is everything all right with you?

　　F.Well, we'll see about that.

　　G.I'm so glad to get your call.