题目内容

11.Could you tell me how you usually _____ Thanksgiving Day in your country?(  )
A.observeB.remindC.passD.congratulate

分析 你可以告诉我在你们国家通常怎样庆祝感恩节吗?

解答 答案:A.根据Thanksgiving Day in your country可知本句表示在你们国家通常怎样庆祝感恩节,四个选项的含义分别是A"观察,庆祝(节日),遵守";B"提醒";C"通过";D"祝贺",congratulate的宾语是人.所以答案是A.

点评 考查动词辨析.observe的用法:
1.表示"观察",后面接名词或代词.
We often observe the behavior of birds.我们经常观察鸟类的行为.
2.表示"遵守",后面接名词.
Anyone who comes here must observe the rules.来这儿的任何人都必须遵守规定.
3.表示"庆祝(节日等)",后面接名词.
With a joyful heart we observed our National Day.我们满怀喜悦的心情庆祝国庆节.
4.表示"遵循",后面接名词.
People still observe the old traditions here.在这里,人们仍然遵循古老的传统.
5.表示"过(生日、节日等)",后面接名词
We always observe birthdays at home.我们总是在家里过生日.

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1.The chimp didn't feel well.She fell over,ignoring the other wild chimps.Finally,the sick chimp crawled over to a bush,picked some leaves and swallowed them.By the next afternoon,the chimp was as good as new!
       Biologists watching the chimp were surprised.Somehow,the plant had cured the chimp!Did the chimp know the plant would make her feel better?Or was it just a lucky accident?
       Many scientists don't think it has anything to do with luck.They're discovering that some animals seem to use plants to cure themselves.And these animals are leading scientists to new plants that could cure humans!
       Dr.Richard Wrangham,an anthropologist at Harvard University,agrees that animals may know something we don't know about forest plants.
       Wrangham got to know chimps and their diets while studying them for three years in Tanzania."You must know a lot about an animal's feeding habits to know what it doesn't consider food,"Wrangham explains.Every morning,he saw that most chimps ate fruit near their nests.Later on,they ate on leaves.
       When he noticed chimps eating the leaves of a plant they usually ignored,Wrangham thought something interesting was going on---especially when he saw that they'd sometimes walk for 20 minutes to find the plant.Another strange thing that caught his eye was how they ate the bitter leaves.
"They swallowed the leaves whole,"explains Wrangham,noting that chimps usually chew their food well."They seemed to rub(摩擦)the leaves around the roofs of their mouths.They closed their eyes,wrinkled their noses and swallowed slowly."
       Wrangham wondered what could be so good about something tasting so bad.He had a chemist analyze the leaves.He discovered that the leaves contain a red oil that kills different viruses(病毒).Later tests showed that the oil might even fight cancer and the AIDS virus!
Why don't the chimps chew the leaves?"Rubbing the leaves between the tongue and the inside of the mouth might allow the chemicals to enter the bloodstream directly,"he suggests,"instead of going to the stomach,where they might get destroyed by acids.The chimps seem to know what they're doing."

67.We can learn from the passage thatA.
A.chemicals in plants help cure animals
B.chimps cure themselves by chewing plants
C.scientists live with chimps to study their diets
D.Dr.Wrangham knows a lot about forest plants
68.How can Dr.Wrangham tell which plants are medicine for chimps?C
A.By talking with the biologists.
B.By analyzing the chimps'favorite food.
C.By studying the chimps'feeding habits.
D.By comparing other scientists'discoveries.
69.The author wrote the passage toA.
A.present a finding                         B.test a theory
C.provide a solution                        D.describe an experiment
70.What does the passage mainly talk about?B
A.Forest plants
B.Animal doctors.
C.Chimp's diets
D.A cure for cancer.

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