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Algunas consideraciones respecto a operaciones con números reales

FOR QUESTIONS 1 TO 14, CHOOSE THE CORRECT WORD OR PHRASE TO COMPLETE EACH SENTENCE.

Potato chips are _______.

A. creamy B. silky C. crunchy C. since six months

3. We live in Chennai now but I _________ in the North of India that’s why I can speak B. could have slept C. can’t sleep

6. The train doesn’t leave till 5 pm, we’ve got plenty of time. We ________ hurry.

A. needn’t B. haven’t to C. don’t

WORD AND STRUCTURE KNOWLEDGE

3 definitely be there.

A. when

A. goes usually B. usually goes C. is usually going

13. The refrigerator has stopped working again. This is the third time this ________

today.

A. has happened B. happened C. is happening

14. We are moving to Africa. We have to sell all our ________ before we leave.

A. furnitures B. whole furniture C. furniture

READiNG

FOR QUESTIONS 15 TO 21, READ THE TEXT AND ANSWER THE QUESTIONS THAT FOLLOW.

Popcorn, also known as popping corn, is a special variety of corn (Zea mays everta).

Each kernel, in other words corn seed, contains a tiny drop of water. When it is heated, the water expands causing the seed to explode and flip inside out. In the US popcorn is mostly grown in Nebraska, Indiana and now increasingly in Texas.

Native Americans first discovered popcorn thousands of years ago in Mexico. It was popped in China during the Song Dynasty as well as in Sumatra and India long before Columbus reached America. In 1948 and 1950, anthropologist Herbert Dick and botanist Earle Smith discovered ears of popcorn in Mexico. The size varied from a few millimeters to about two inches and was carbon dated to be about 5,600 years old.

Hernando Cortes invaded Mexico in 1519 and first saw popcorn when he met the Aztecs. Aztecs used popcorn as food and decoration on headdresses, necklaces and ornaments. Around 1612, French explorers around the Great Lakes met Iroquois who used heated sand in a pottery vessel to make popcorn. Colonial housewives served popcorn with sugar and cream for breakfast. Some colonists used a cylinder of thin sheet-iron that revolved on an axle in front of the fireplace to make popped corn.

In 1885, Charles Cretors of Chicago, Illinois, invented the first popcorn machine. Street vendors were soon pushing steam or gas-powered poppers through fairs, parks, and expositions. Today much of the popcorn you buy at movies and fairs is popped in machines manufactured by the Cretors family.

Americans eat more than 33 billion kilograms of popcorn a year, an average of 30 kilograms per person per year. As the result of an elementary school project, popcorn became the official state snack food of Illinois. January 19 is National Popcorn Day, and October is National Popcorn Month.

15. Each corn seed has a tiny_____ . A. drop of kernel

B. drop of moisture C. drop of water

16. Popping corn was discovered in _______.

A. China B. Mexico C. US

5

A. It was found that Americans eat 33 billion kilograms of popcorn.

B. January 19 became the National Popcorn day.

C. Illinois made popcorn the official state snack food.

19. Before Columbus reached _______ corn was popped in China.

A. The popcorn machine was invented by Charles Cretors.

B. Popcorn has been available in fairs for many years.

C. Popcorn was first popped by colonial housewives.

SPOKEN AND WRiTTEN EXPRESSiON

FOR QUESTIONS 22 TO 24, CHOOSE THE BEST REPLY TO COMPLETE EACH

C. This place is crowded

Example

22. Helen : I was surprised that Pallavi wasn’t at the school function yesterday.

Kumar : Yeah! She _______ about it.

A. may not have known B. might not know C. may have not know

23. Hari : Do you have my money? You said, you’d give it to me today.

Vassan : Sorry, my father ______ supposed to give it to me yesterday, but he didn’t. I’ll get it today for sure.

A. were B. is C. was

24. Kapil : It’s very humid, do you think it will rain?

Rachna : ________. It becomes more humid then, with the rain, the city floods.

A. I don’t hope B. I don’t hope so C. I hope not

FOR QUESTIONS 25 TO 30, CHOOSE THE BEST OPTION TO COMPLETE EACH GAP.

We have just moved ___ (25)____ an apartment. The apartment ___ (26)____ an air conditioner and central ___ (27)____, which keeps the house ___(28)___ in winter. There are two bedrooms __(29)___ with a double bed and ___(30)__other with a single bed.

25. A. in

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FOR QUESTIONS 31 & 32, CHOOSE THE CORRECT WORD OR PHRASE TO COMPLETE EACH SENTENCE.

31. It’s such a dark street and I think we are ________. I’m so scared.

A. being followed B. following

Riya : Yes, I know. ________ him tomorrow.

A. I visit B. I’m visiting C. I visited

34. Radhika : Hey do you like my haircut. I went to a new hairdresser this time.

Sunita : Yeah! It’s great! Where did you ________? I’ll go there too.

A. hair cut B. have it cut

C. have cut your hair

35. Ali : Shall I stay here and wait for you?

Salma : No, I’d rather ________. I might take a long time.

A. you came B. you come

C. you would come

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Year 2014 5 th

Class 4

Set A

5th IEO - SEt A 1

FOR QUESTIONS 1 TO 12, CHOOSE THE CORRECT WORD/PHRASE TO COMPLETE EACH SENTENCE.

Potato chips are ___________.

A. creamy B. silky C. crunchy

Example

1. ___________ of the friends I play with are mean, but the others are very friendly.

A. Any B. Some C. Much

2. Ali is my best friend. We have known ___________ for three years.

A. each other B. ourselves C. us

3. Don’t throw the book away. ___________ you don’t want it, I will take it.

A. When B. If C. Why

4. Have you read any of ___________ books?

A. this B. that C. these

5. We’re ___________ hard for the match next week.

A. practise B. practised C. practising

6. An honest person is one who ___________ the truth.

A. speaking B. speaks C. spoke

7. I was in a hurry to go out and play, so I ___________ time to finish my homework.

A. had B. didn’t have C. do have

8. On Sundays, I have to go for my football practice early in the morning, so I ___________

up at 5 am.

A. wake B. woke C. waking

9. Lucy has not been able to play football ___________ her accident last month.

A. for B. had C. since

10. I never ___________ to like apples, but now I love them.

A. used B. use C. using

WORD AND STRUCTURE KNOWLEDGE

11. Don’t worry about the exams. I’m sure you ___________ pass them.

A. shall B. are C. will

12. Oliver doesn’t ___________ to wear a cap to school every day, but he usually does.

A. have B. has C. had

REARRANGE THE WORDS TO FORM A MEANINGFUL SENTENCE.

cat / the /curiosity / killed

a b c d

A. a c d b B. c d b a C. b d c a

Example

13. are / harmless / to people / most ants

a b c d

A. b a d c B. a b c d C. d a b c

READiNG

FOR QUESTIONS 14 TO 20, READ THE PASSAGE AND ANSWER THE QUESTIONS THAT FOLLOW.

OSTRiCh

The flightless ostrich is the world’s largest bird. They roam in the African savanna and desert lands, and get most of their water from the plants they eat.

Though they cannot fly, ostriches are strong runners. They can run up to 43 miles (70 kilometers) an hour. They may use their wings as “rudders” to help them change direction, while running. An ostrich’s powerful, long legs can cover 10 to 16 feet (3 to 5 meters) in a single stride. These legs can also be dreadful weapons. Ostrich kicks can kill a human or other carnivorous animals. Each two-toed foot has a long, sharp claw.

Ostriches live in small herds that typically contain less than a dozen birds. All the hens of a herd place their eggs in one nest, each one of which weighs as much as two dozen chicken eggs. The hen and the male, both take turns looking after the giant eggs.

Contrary to popular belief, ostriches do not bury their heads in the sand. The old saying probably originates due to the bird’s defensive behaviour.

5th IEO - SEt A 3

At the approach of trouble, ostriches will lie low and press their long necks to the ground in an attempt to become less visible. Their feathers blend well with sandy soil and, from a distance, give the appearance that they have buried their heads in the sand.

Ostriches typically eat plants, roots, and seeds, but will also eat insects, lizards, or other creatures available in their sometimes harsh habitat.

14. How fast can an ostrich run?

A. 70 miles an hour B. 16 miles an hour C. 43 miles an hour

15. They use their ___________ to change direction while running.

A. legs B. wings C. toes

16. Ostriches can kill a human being with their ___________.

A. wings B. neck C. legs

17. Usually, ___________ ostriches live together.

A. a dozen

B. less than twelve C. twenty four

18. Who takes care of the giant eggs?

A. Male ostrich B. Female ostrich C. Both of them

19. When ostriches feel threatened, they ___________.

A. stand tall with their long necks B. bury their head in soil

C. lie low and try to hide

20. Ostriches get most of their water from ___________.

A. insects B. seeds C. plants READiNG

FOR QUESTIONS 21 TO 24, CHOOSE THE BEST REPLY TO COMPLETE EACH CONVERSATION.

Steve: I live in a big city.

Jill: ___________.

A. I live near the park B. So do I

C. I also

Example

21. Mandy: Hey Perry did you see the match last night?

Perry: No, while I ___________ the match, the power went off, so I couldn’t watch the whole match.

A. watched B. watch

C. was watching

22. Mark: Hey! I finished the puzzle.

Lucy: Thank god! You have been doing that ___________ hours.

A. since B. for C. till

23. Mother: Why did you get such a low grade in Mathematics? I thought you knew all the formulas.

Son: Yes, but ___________.

A. I did some silly mistake B. I had some silly mistakes C. I made some silly mistakes

24. Vikas: Oh no! This cake, I baked is very hard and tasteless.

Pallavi: Don’t worry, often ___________ as you expect.

A. things don’t make out B. things don’t work out C. things don’t cook out

SPOKEN AND WRiTTEN EXPRESSiON

5th IEO - SEt A 5

FOR QUESTIONS 25 TO 30, CHOOSE THE BEST OPTION TO COMPLETE EACH BLANK.

Dear Mandisa,

Thank you for your letter, _____(25)_____ came yesterday. It’s always good to hear from you. I was _____(26)_____ of writing to you. I wanted to tell you something exciting.

I’ve recently started learning to _____(27)_____ a piano and I love it. _____(28)_____ my piano teacher told my parents that I was good at it, my parents bought me a five-octave keyboard. It almost looks like a piano. I play the keyboard a lot. I’m not very good but I enjoy it a lot.

I _____(29)_____ go to my friend’s house and we play together. She too has a similar keyboard.

My father has brought me a book, which has _____(30)_____ songs. I love playing the keyboard and I play every evening. I can play ‘twinkle, twinkle little star’ very well now.

What about you? Do you play any instrument?

Write soon, SPOKEN AND WRiTTEN EXPRESSiON

FOR QUESTIONS 31 AND 32, CHOOSE THE CORRECT WORD/PHRASE TO COMPLETE EACH SENTENCE.

31. It was raining this morning and I got very wet. I ___________ my umbrella in the house.

A. left B. forget C. kept

32. I wonder why Alisha hasn’t replied to my message. She ____________ not have got it.

A. could B. might C. should

REARRANGE THE WORDS TO FORM A MEANINGFUL SENTENCE.

33. what / I don’t / Anil is doing / know

a b c d

A. c a b d B. b d a c C. a b d c

FOR QUESTIONS 34 AND 35, CHOOSE THE BEST REPLY TO COMPLETE EACH CONVERSATION.

34. Jay: We haven’t got any bread.

Kapil: Oh, I forgot to buy some. I ____________ go and get some now.

A. will B. would C. should

35. Nasim: Are you enjoying your new school with your new classmates?

Gagan: Yes, I’m ___________ with my new classmates.

A. carrying on well B. getting on well C. keeping on well

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AChiEvERS SECTiON

Year 2014 5 th

Class 4

Set B

FOR QUESTIONS 1 TO 12, CHOOSE THE CORRECT WORD/PHRASE TO COMPLETE EACH

WORD AND STRUCTURE KNOWLEDGE

5th IEO - SEt B

FOR QUESTIONS 14 TO 20, READ THE PASSAGE AND ANSWER THE QUESTIONS THAT FOLLOW.

MONGOOSE

Mongooses are primarily found in Africa. They cover most of the continent. Some species occupy parts of southern Asia and the Iberian Peninsula. They are generally terrestrial mammals, but some are semi-aquatic, and others are at home in the treetops.

Ranging in size from the 7-inch-long (18-centimetre-long) dwarf mongoose to the 2-foot-long (60-centimetre-long) Egyptian mongoose; these sleek mammals have long bodies with short legs and long snouts. cobras. The most celebrated of these is Rudyard Kipling’s fictional Rikki-tikki-tavi, based on an ancient fable and included in The Jungle Book.

In the 1800s, mongooses were introduced to several islands in Hawaii and the West Indies in order to control the rodent populations on sugarcane plantations. Today, this effort has come back to haunt these islands as mongooses threaten the survival of various native species, particularly birds. However, in their natural environments mongooses are currently threatened themselves due to habitat loss.

14. The Egyptian mongoose is long.

C. other mongooses

16. Mongooses are creative hunters because they . A. attack with their ringed tails

B. attack venomous cobras C. break open birds’ eggs

READiNG

5th IEO - SEt B 4

17. Mongooses are found . A. predominantly in Africa

B. all over Africa A. sugarcane problem

B. rodent problem C. their own population

20. Currently, mongooses are threatened by . A. venomous cobras

B. native birds

C. the loss of habitat

SPOKEN AND WRiTTEN EXPRESSiON

FOR QUESTIONS 21 TO 24, CHOOSE THE BEST REPLY TO COMPLETE EACH

22. Tom: ‘Do you want to go out and fly a kite?’ my house, _____(27)_____ the food is coming from my auntie’s restaurant. She makes the _____(28)_____ samosas in the world. Apart from that, there will be pizzas and ice creams.

The party will start at 5 pm, but could you come a bit _____(29)_____ to help prepare everything? Please come. Could you also bring your football? _____(30)_____ had a SPOKEN AND WRiTTEN EXPRESSiON

5th IEO - SEt B

FOR QUESTIONS 34 AND 35, CHOOSE THE BEST REPLY TO COMPLETE EACH CONVERSATION.

34. Mohan: ‘Shall I tell Sameer that you ate all his lunch?’

Vikas: ‘No, .’

A. I’d prefer it, if he didn’t know B. I should think he doesn’t know C. I feel he’ll not come to know

35. Beginning of a letter: It was nice to hear from you my friend.

Ending of the same letter: . A. I looked forward to hearing from you B. Please do not hesitate to contact me C. Hope to hear from you soon

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ACHiEVERS SECTiON