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题型:阅读理解-阅读单选 难度:0.65 引用次数:93 题号:10491462

Why should most of us hate spiders when we know deeply how much good they do? Is it because they somehow seem so alien? After all, what other land creatures on earth have eight legs? What other creatures spin silk webs in which to catch and wrap their prey to preserve it for the future, much as we put food in the fridge to eat later? I do not personally suffer from arachnophobia, the name given to an abnormal fear of spiders, but I can't say that I like the little beasts. However, some people do, and they actually keep them as pets!

There is a wide variety of spiders in the world. In fact it has been estimated that there are some 35,000 species——from little "money spiders" that live in your back garden, to the "black widow spider", and the “tarantula” ,the spider that is now sometimes kept as a pet.

A tarantula can be any one of a large hairy spiders family and there are about 800 species of them. While experts can tell the difference between species at a glance, most are usually described in reference books as “rather slowly" with “a strong bite which may be poisonous”. They are covered with hairs which can cause a rash (皮疹)if they are handled.

No one has calculated the number of human deaths caused by a bite from a tarantula perhaps because it has never happened, or happened so rarely, and indeed a tarantula will do no harm to anyone if handled correctly. Their disgusting image cannot belie their gentle nature but experts tell us not to handle a tarantula without expert advice.

Tarantulas are popular as pets and it requires very little space to maintain them in excellent condition. They should be kept singly in a glass container, which need not be very large but should have a layer of stones in the bottom. They feed on insects, and while young tarantulas eat twice a week, adults will often eat no more than once every 10 days.

You might like the idea of keeping a tarantula, but personally I am content with just watching them at a distance.

1. According to the text, why do most people dislike spiders?
A.They are abnormal beasts.
B.They take food from fridges.
C.They have unpleasant appearance.
D.They make people suffer from arachnophobia.
2. What do we know about the tarantula?
A.It must be kept in groups.
B.It feeds on poisonous insects.
C.It doesn't belong to hairy spiders.
D.It has mild nature if handled properly.
3. What does the underlined word “it” in Paragraph 4 refer to?
A.The death caused by a tarantula.
B.The number of human deaths.
C.The bite from a tarantula.
D.The rash caused by hairs.
4. What's the best title for the text?
A.Never judge a book by its cover.
B.Nothing seek, nothing find.
C.No sweet without sweat.
D.Once bitten, twice shy.

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【推荐1】Orcas, also known as killer whales, are some of the most social and intelligent of sea animals. They communicate with each other by different calls and whistles. Scientists have found increasing evidence that orcas have developed a complex culture: A series of behaviors animals learn from one another.

Through researches, scientists discover that orcas have unique family structures and behaviors, which are passed from generation to generation. They stay in groups and the leading female orcas will teach specific behaviors to younger animals. This complex culture influences deeply what and how orcas eat, what they do for fun, and even their choice of mates.

Brian Skerry, a photographer of National Geographic, traveled the globe to record orcas’ activities. “These animals have identity, they have personality, they have traditions, they have language, and food preferences and singing competitions. And they have empathy. They care about each other.” said Brian. He found that diving with these special creatures can lead to strange and wonderful situations. And he hopes that existing features of orcas can be an opportunity for us humans to begin to see ourselves not so different than the natural world.

Our own culture has helped us to accommodate to a number of evolutionary selection pressures — from hot deserts to the cold Arctic. And the same is true of orcas. By developing new behaviors, they have been able to occupy a range of ecological chain, such as penguin hunters in the South Ocean and fish eaters in the Pacific Ocean. Hal White, head of Dalhousie University, concludes, “Culture may be very important to orcas.” And he believes the new form of culture brings out all these changes.

1. What can we infer about orcas?
A.They prefer staying alone.B.They talk with others by gesture.
C.They learn behaviors from others.D.They have common family structures.
2. According to Brian, what chance do orcas provide for humans?
A.Finding that orcas are strange.B.Recording that orcas have characters.
C.Realizing that humans are not unique.D.Presenting that orcas care about each other.
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4. Which of the following is a suitable title for the text?
A.The features of fish eaters.B.The secret culture of orcas.
C.The evolution of female orcas.D.The traditions of marine animals.
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Well, first let us see the contrast between captivity-bred and wild dolphins. The very essence of these mammals makes them unsuited for imprisonment. In untamed conditions, dolphins live in large groups(referred to as pods), often in tight family units. The social bond last for many years.     2    

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