阅读理解缤纷自然篇3.pdf

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1、Section I 缤纷自然篇3Passage 9Weve talked about snails（蜗牛）and their slow move.But much of the timesnails dont move at all.They are in their shells（壳）sleeping.Hot sun will dry out a snails body.So at the least sign of hot sun,a snail drawsits body into his shell.A snail will die in a heavy rain.So when it

2、 rains,a snail doesthe same thing,too.A snail can sleep for as long as it needs to.It spends all the wintermonths in its shell,asleep.In the spring the snail wakes up.Its body,about three inches long,comes outfrom the shell.When hungry,the snail looks for food.Its eyes,at the end of the topfeelers（触

3、角）,are very weak.But its sense（感觉）of smell is very strong.It helps thesnail to find food and the new greens.A snaiPs mouth is no bigger than the point of a pin（大头针）.Yet it has 256,000teeth!The teeth are very small,and you cant see them.If you put a snail in a hardpaper box,it will eat its way out!An

4、d if a snail wears out its teeth,it will grow newones.l.A snai l.A.moves more slowly at nightB.has thousands of feetC.doesnt move at allD.sleeps much of the time2.In the sentence“A snail draws its body into its shell”,the word draw meansA.to make with a pencil B.to pushC.to pull D.to move away3.From

5、 the story,we know.A.a snails shell is very thin B.a snail cant see wellC.a snails nose is quite short D.a snails body changes in different seasons4.A snail goes to sleep wh e n.A.it feels hungry B.it is put into a paper boxC.spring is coming D.it rains heavily5.Which of the following is wrong?A.In

6、winter the snail doesnt eat or move.B.A snail doesnt like living under the sun.C.The snaifs teeth cant be worn out.D.The snails nose helps to find food.Passage 10Jupitefs Moons and How They TravelThe many moons of Jupiter travel around the planet in different directions（方向）.Jupiter is the largest pl

7、anet in our solar system.Over the years,scientists havefound that Jupiter has its own small solar system.Earth has one moon.Jupiter has atleast sixteen and probably more.Since there are so many moons,scientists began to number them.Thenumerals(numbers)tell the sequence,or order,in which the moons we

8、re found.Theywere slower to name the moons.All of Jupiter9s moons now have a name as well as anumber.The first five moons to be discovered are known as the“inner moons”.But theyare not the closest to the planet.The closest is only 127,600 kilometers away fromJupiter.All the inner moons circle the pl

9、anet in counter-clockwise direction,that is,opposite of the hands of a clock.Jupitefs middle group of moons are at least 11,100,000 kilometers from theplanet.They also move in a counter-clockwise motion(moving).The four farthestmoons are at least 20,700,000 kilometers away.These are called“outer moo

10、ns.Theycircle in a clockwise motion.How many more moons do you think will be discovered?1 .What does solar system in this article mean?A.银河系B.宇宙空间C.流星雨D.太阳系2.Things that travel in the same direction as the hands of a clock are said to betraveling in a.A.clockwise direction B.counter-clockwise direct

11、ionC.same direction D.different direction3.Jupiters group of moons travel in a clockwise direction.A.planets B.inner C.middle D.outer4.The numbers given to Jupiters moons t el l.A.the order in which they were discoveredB.the order in which they travelC.the order of their distance from JupiterD.the o

12、rder of names5.According to the passage,which of the following statements is true?A.None of Jupiters moons have names.B.Most of Jupitefs moons circle clockwise.C.Jupitefs inner moons were discovered first.D.Jupiter is the nearest planet to the earth.6.How far away are the middle group of moons from

13、Jupiter?A.Its not mentioned.B.11,100,000 kilometers away.C.127,600 kilometers away.D.20,700,000 kilometers away.Passage 11WHY IS THE SUN IMPORTANT?The sun is a huge,hot,bright star.It is important because without it there wouldbe no life on Earth.The sun gives us light and heat.All living things nee

14、d light and heat from the sun to live.Plants need light andheat to grow.They use the light from the sun to make food.We cannot make our ownfood,but plants can.All the food we eat comes from plants in a food chain（链）whichstarts with the sun.For example,Animals need sunlight,too.Just like us,their foo

15、d comes from a food chainwhich begins with the sun and the plants.sun lea J caterpillar（毛虫）birdsun seaweed（海藻）small fish whale（鲸）Sunlight means we can see during the day.If there was no sun,it would be darkall the time.Even when the sky is cloudy,the sunlight is very strong and it shinesthrough the

16、clouds.1 .Which words tell us what the sun is like?A.Huge.B.Hot.C.Bright.D.All above.2.What are the two main things the sun gives us?A.Light and heat.B.Heat and eggs.C.Corn and light.D.Wheat and bread.3.Why can we still see during the day when the sky is cloudy?A.Because we can see all day and all n

17、ight.B.Because the sun cant give us light all day long.C.Because the sunlight can shine through the clouds.D.Because we cant see at night.4.A11 the food we eat comes f r om.And it starts with t he.A.plants;earth B.a food chain;sunC.food;sun D.plants;star5.I n what way do you think the sun cannot be

18、harmful（有害的）？A.The sun can do harm to your eyes and skin.B.It can make rivers too dry.C.Without it there would be no life on Earth.D.Hot sun on dry land can cause fires.Passage 12Most animals only have animals of a different kind for food.But sometimes twokinds of animals come together in a partners

19、hip（伙伴关系）which is good for them.You may have noticed some birds on the backs of sheep.This is not because theywant a ride,but because they find easy food in the parasites（寄生虫）on sheep.Thesheep let the birds do so because they can stop the parasites from troubling them.Sothough they can do with it by

20、 themselves,they can do better together with each other.Sometimes an animal has a plant partner.The relationship develops until the twopartners cannot do without each other.This is so in corals of the sea.Inside theirbodies they have very small plants,which act as“cleaners”,taking the useless things

21、from the coral and giving oxygen in return.That is what the animal needs to live.Ifthe plants are killed,or are even kept from receiving light so that they cannot live asusual,the corals will die.l.Some birds like to sit on a sheep b e c a u s e.A.they can eat its parasites B.they enjoy traveling wi

22、th the sheepC.they cant live without its parasites D.they want to find the wann place2.The underlined word they in the first paragraph means.A.birds and parasites B.birds and sheepC.parasites and sheep D.birds,parasites and sheep3.We learn from the passage that corals need plants fbr.A.friends B.lig

23、ht C.food D.oxygen4.The Chinese for the word“oxygen is.A.氧 气 B.空 气 C.废 气 D.二氧化碳5.What is the second paragraph mainly about?A.Some animals and plants cannot live without each other.B.Some animals and plants cannot develop their friendship easily.C.Some plants eat each other.D.Some animals live better

24、 together.Section I缤纷自然篇3Passage 9Weve talked about snails（蜗牛）and their slow move.But much of the timesnails dont move at all.They are in their shells（壳）sleeping.Hot sun will dry out a snails body.So at the least sign of hot sun,a snail drawsits body into his shell.A snail will die in a heavy rain.S

25、o when it rains,a snail doesthe same thing,too.A snail can sleep fbr as long as it needs to.It spends all the wintermonths in its shell,asleep.In the spring the snail wakes up.Its body,about three inches long,comes outfrom the shell.When hungry,the snail looks fbr food.Its eyes,at the end of the top

26、feelers（触角）,are very weak.But its sense（感觉）of smell is very strong.It helps thesnail to find food and the new greens.A snails mouth is no bigger than the point of a pin（大头针）.Yet it has 256,000teeth!The teeth are very small,and you cant see them.If you put a snail in a hardpaper box,it will eat its w

27、ay out!And if a snail wears out its teeth,it will grow newones.l.A snai l.A.moves more slowly at nightB.has thousands of feetC.doesnt move at allD.sleeps much of the time2.In the sentence A snail draws its body into its shell”,the word draw meansA.to make with a pencil B.to pushC.to pull D.to move a

28、way3.From the story,we know.A.a snaiPs shell is very thin B.a snail cant see wellC.a snaiPs nose is quite short D.a snails body changes in different seasons4.A snail goes to sleep wh e n.A.it feels hungry B.it is put into a paper boxC.spring is coming D.it rains heavily5.Which of the following is wr

29、ong?A.In winter the snail doesnt eat or move.B.A snail doesnt like living under the sun.C.The snaifs teeth cant be worn out.D.The snaifs nose helps to find food.Passage 10Jupitefs Moons and How They TravelThe many moons of Jupiter travel around the planet in different directions(方向).Jupiter is the l

30、argest planet in our solar system.Over the years,scientists havefound that Jupiter has its own small solar system.Earth has one moon.Jupiter has atleast sixteen and probably more.Since there are so many moons,scientists began to number them.Thenumerals(numbers)tell the sequence,or order,in which the

31、 moons were found.Theywere slower to name the moons.All of Jupiters moons now have a name as well as anumber.The first five moons to be discovered are known as the inner moons”.But theyare not the closest to the planet.The closest is only 127,600 kilometers away fromJupiter.All the inner moons circl

32、e the planet in counter-clockwise direction,that is,opposite of the hands of a clock.Jupiters middle group of moons are at least 11,100,000 kilometers from theplanet.They also move in a counter-clockwise motion(moving).The four farthestmoons are at least 20,700,000 kilometers away.These are called o

33、uter moons”.Theycircle in a clockwise motion.How many more moons do you think will be discovered?1 .What does solar system in this article mean?A.银河系B.宇宙空间C.流星雨D.太阳系2.Things that travel in the same direction as the hands of a clock are said to betraveling in a.A.clockwise direction B.counter-clockwi

34、se directionC.same direction D.different direction3.Jupiters group of moons travel in a clockwise direction.A.planets B.inner C.middle D.outer4.The numbers given to Jupiters moons t el l.A.the order in which they were discoveredB.the order in which they travelC.the order of their distance from Jupit

35、erD.the order of names5.According to the passage,which of the following statements is true?A.None of Jupiters moons have names.B.Most of Jupitefs moons circle clockwise.C.Jupitefs inner moons were discovered first.D.Jupiter is the nearest planet to the earth.6.How far away are the middle group of mo

36、ons from Jupiter?A.Its not mentioned.B.11,100,000 kilometers away.C.127,600 kilometers away.D.20,700,000 kilometers away.Passage 11WHY IS THE SUN IMPORTANT?The sun is a huge,hot,bright star.It is important because without it there wouldbe no life on Earth.The sun gives us light and heat.All living t

37、hings need light and heat from the sun to live.Plants need light andheat to grow.They use the light from the sun to make food.We cannot make our ownfood,but plants can.All the food we eat comes from plants in a food chain（链）whichstarts with the sun.For example,Animals need sunlight,too.Just like us,

38、their food comes from a food chainwhich begins with the sun and the plants.sun lea J caterpillar（毛虫）birdsun seaweed（海藻）small fish一 whale（鲸）Sunlight means we can see during the day.If there was no sun,it would be darkall the time.Even when the sky is cloudy,the sunlight is very strong and it shinesth

39、rough the clouds.1 .Which words tell us what the sun is like?A.Huge.B.Hot.C.Bright.D.All above.2.What are the two main things the sun gives us?A.Light and heat.B.Heat and eggs.C.Corn and light.D.Wheat and bread.3.Why can we still see during the day when the sky is cloudy?A.Because we can see all day

40、 and all night.B.Because the sun can*t give us light all day long.C.Because the sunlight can shine through the clouds.D.Because we can*t see at night.4.A11 the food we eat comes f r om.And it starts with t he.A.plants;earth B.a food chain;sunC.food;sun D.plants;star5.I n what way do you think the su

41、n cannot be harmful（有害的）？A.The sun can do harm to your eyes and skin.B.It can make rivers too dry.C.Without it there would be no life on Earth.D.Hot sun on dry land can cause fires.Passage 12Most animals only have animals of a different kind for food.But sometimes twokinds of animals come together i

42、n a partnership（伙伴关系）which is good for them.You may have noticed some birds on the backs of sheep.This is not because theywant a ride,but because they find easy food in the parasites（寄生虫）on sheep.Thesheep let the birds do so because they can stop the parasites from troubling them.Sothough they can d

43、o with it by themselves,they can do better together with each other.Sometimes an animal has a plant partner.The relationship develops until the twopartners cannot do without each other.This is so in corals of the sea.Inside theirbodies they have very small plants,which act as“cleaners，taking the use

44、less thingsfrom the coral and giving oxygen in return.That is what the animal needs to live.Ifthe plants are killed,or are even kept from receiving light so that they cannot live asusual,the corals will die.l.Some birds like to sit on a sheep b e c a u s e.A.they can eat its parasites B.they enjoy t

45、raveling with the sheepC.they cant live without its parasites D.they want to find the wann place2.The underlined word they in the first paragraph means.A.birds and parasites B.birds and sheepC.parasites and sheep D.birds,parasites and sheep3.We learn from the passage that corals need plants fbr.A.fr

46、iends B.light C.food D.oxygen4.The Chinese for the word“oxygen is.A.氧 气 B.空 气 C.废 气 D.二氧化碳5.What is the second paragraph mainly about?A.Some animals and plants cannot live without each other.B.Some animals and plants cannot develop their friendship easily.C.Some plants eat each other.D.Some animals live better together.