Điền từ :
NATURE’S LIGHT
When you see a fire fly flitting through the air on a dark summer (33) _____, you may wonder (34) ______ the source of its light. This light (35) ______ from a mineral called phosphorus, which is found in small amounts in the (36) _____ of the firefly. Phosphorus is also found in the bodies of many (37) _______ of deep-sea fish. Sometimes (38) ______ a large number of these fish congregate near the surface of the ocean, their bodies illuminate an area that can be (39) _____ for long distances.

Phosphorus is also found in many parts of our bodies (40) _______ is essential to human life. In modern times, many vital uses have been found (41) _____ this mineral. Large amounts of phosphorus are utilized in medicines, in agriculture, and in manufacturing.
Perhaps (42) ____ most generally familiar (43) _____ to find phospho­rus is in the heads of matches. Because phosphorus burns violently (44) ______ low temperatures, the small amount of heat produced by the fric­tion of ru
ing the head of a match (45) _____ a rough surface is suffi­cient to (46) ______ the phosphorus in the match head to burn. As the head of the match ignites, it lights the wood or paper that forms the (47) ____ of the match

The weather is not beautiful all of the time. Perhaps you can remember a day when bad weather made you afraid. One kind of bad weather that scares many people is called a thunderstorm. This is what happens when there is a thunderstorm. First, you see a sudden flash of bright light. A few seconds later you hear a loud rumbling sound. This quick flash is called lightning and the loud sound is called thunder. Lightning is colorful , but it can cause serious problems. Lightning is electricity that is moving very rapidly. It may be moving between a cloud and the ground, between two clouds, or between two parts of the same cloud. The lightning heats the air around it. This hot air expands, or get bigger, and it causes the air to move in waves. The air waves pass you in a series, one after another. For this reason, you may hear many rumbles and not just one sound.

____ 29/ Lightning may move between a cloud and the ground.

____ 30/ Thunder is a very bright light in a thunderstorm.

____ 31/ When you hear thunder you may hear a series of loud sounds and not one

big sound. This is because the air waves pass one after another.

____ 32/ Lightning always moves rapidly.

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

    A rainbow is an optical display of color that usually appears in the sky when a beam of sunlight refracts through millions of raindrops. Each (31) ______ color from the spectrum is then sent to your eyes. For this to happen, the angle between the ray of light, the raindrop and the human eye must be between 40 and 42 degrees.

    After studying rainbows in (32) ______, Sir Isaac Newton was able to explain how they are formed. However, he was color blind, so he had to rely on the eyes of his assistant, who could easily (33) ______ all the seven colors: red, orange, yellow, green, blue, indigo and violet. His assistant could also clearly tell the difference between indigo and violet.

    There are two types of rainbows. Primary rainbows are the most common and have the most distinctive colors, with red appearing on the outside of the arc and violet on the inside. Secondary rainbows are unusual because the light is reflected twice within the raindrop before it (34) ______ a rainbow, so the colors are in reverse order and not as bright as primary rainbows.

    There is a popular myth that if you reach the end of a rainbow, you will find a pot of gold waiting for you. In fact, it is impossible to do this, because a rainbow has no end - as you go towards the point where the rainbow seems to touch the ground, it moves away from you as quickly as you (35) ______.

Điền ô số 34

A. forms

B. grows

C. develops

D. shapes

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

 A rainbow is an optical display of color that usually appears in the sky when a beam of sunlight refracts through millions of raindrops. Each (31)________ color from the spectrum is then sent to your eyes. For this to happen, the angle between the ray of light, the raindrop and the human eye must be between 40 and 42 degrees.

 After studying rainbows in (32)________, Sir Isaac Newton was able to explain how they are formed. However, he was color blind, so he had to rely on the eyes of his assistant, who could easily (33)________all the seven colors: red, orange, yellow, green, blue, indigo and violet. His assistant could also clearly tell the difference between indigo and violet.

 There are two types of rainbows. Primary rainbows are the most common and have the most distinctive colors, with red appearing on the outside of the arc and violet on the inside. Secondary rainbows are unusual because the light is reflected twice within the raindrop before it (34)________ a rainbow, so the colors are in reverse order and not as bright as primary rainbows.

 There is a popular myth that if you reach the end of a rainbow, you will find a pot of gold waiting for you. In fact, it is impossible to do this, because a rainbow has no end - as you go towards the point where the rainbow seems to touch the ground, it moves away from you as quickly as you (35)________.

Điền vào ô 34

A. forms

B. grows

C. develops

D. shapes

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

 A rainbow is an optical display of color that usually appears in the sky when a beam of sunlight refracts through millions of raindrops. Each (31)________ color from the spectrum is then sent to your eyes. For this to happen, the angle between the ray of light, the raindrop and the human eye must be between 40 and 42 degrees.

 After studying rainbows in (32)________, Sir Isaac Newton was able to explain how they are formed. However, he was color blind, so he had to rely on the eyes of his assistant, who could easily (33)________all the seven colors: red, orange, yellow, green, blue, indigo and violet. His assistant could also clearly tell the difference between indigo and violet.

 There are two types of rainbows. Primary rainbows are the most common and have the most distinctive colors, with red appearing on the outside of the arc and violet on the inside. Secondary rainbows are unusual because the light is reflected twice within the raindrop before it (34)________ a rainbow, so the colors are in reverse order and not as bright as primary rainbows.

 There is a popular myth that if you reach the end of a rainbow, you will find a pot of gold waiting for you. In fact, it is impossible to do this, because a rainbow has no end - as you go towards the point where the rainbow seems to touch the ground, it moves away from you as quickly as you (35)________.

Điền vào ô 33

A. realize

B. discover

C. understand

D. recognize 

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

    A rainbow is an optical display of color that usually appears in the sky when a beam of sunlight refracts through millions of raindrops. Each (31) ______ color from the spectrum is then sent to your eyes. For this to happen, the angle between the ray of light, the raindrop and the human eye must be between 40 and 42 degrees.

    After studying rainbows in (32) ______, Sir Isaac Newton was able to explain how they are formed. However, he was color blind, so he had to rely on the eyes of his assistant, who could easily (33) ______ all the seven colors: red, orange, yellow, green, blue, indigo and violet. His assistant could also clearly tell the difference between indigo and violet.

    There are two types of rainbows. Primary rainbows are the most common and have the most distinctive colors, with red appearing on the outside of the arc and violet on the inside. Secondary rainbows are unusual because the light is reflected twice within the raindrop before it (34) ______ a rainbow, so the colors are in reverse order and not as bright as primary rainbows.

    There is a popular myth that if you reach the end of a rainbow, you will find a pot of gold waiting for you. In fact, it is impossible to do this, because a rainbow has no end - as you go towards the point where the rainbow seems to touch the ground, it moves away from you as quickly as you (35) ______.

Điền ô số 33

A. realize

B. discover

C. understand

D. recognize

Exercise: Choose the best answers to complete the following sentences

1. “What is the groom wearing?” “He dresses in a ____.”

A. light suit summer          B. light summer suit          C. suit summer light          D. summer suit light

2. “When are you going to get rid of those ____ trousers?”– “Hmmm I don’t know but I like them a lot.”

A. short nylon dreadful French                                      B. short dreadful French nylon

C. dreadful French nylon short                       D. dreadful short French nylon

3. There is a ____ table which was given to me by my best friends on my house warming.

A. large beautiful round wooden                  B. beautiful large round wooden

C. beautiful round large wooden                   D. wooden large round beautiful

4. Andrew has a ____- rug on the floor in her bedroom.

A. sheepskin lovely long white                                       B. long lovely white sheepskin

C. lovely long sheepskin white                                       D. lovely long white sheepskin

5. They bought me a ____ toy to congratulate me on achieving high scores in the last exam.

A. strange round orange plastic                     B. plastic orange round strange

C. strange plastic orange round                     D. strange round plastic orange

6. Charles was wearing a ____ at the Peter’s party.

A. funny wide red silk tie                                 B. red silk funny tie

C. tie red silk funny                                                            D. red funny tie silk

7. Jane lost the ____ bicycle he bought last month and his parents were very angry with him because of his carelessness.

A. Japanese beautiful new blue                     B. blue Japanese beautiful new

C. beautiful new blue Japanese                     D. beautiful Japanese blue new

8. “Can I help you, sir?” – “I’m looking for a ____ desk for my son.”

A. wooden round fashionable                                        B. round fashionable wooden

C. wooden fashionable round                                        D. fashionable round wooden

9. These ____ boots belong to Nick who is a famous fashion designer in China.

A. riding leather red Spanish                                          B. red Spanish riding leather

C. leather Spanish riding red                                           D. red Spanish leather riding

10.   He gave me a ____ box to say sorry to me for what he had done.

A. small square jewelry metal                                        B. small metal square jewelry

C. small square metal jewelry                                        D. small jewelry square metal 

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

 A rainbow is an optical display of color that usually appears in the sky when a beam of sunlight refracts through millions of raindrops. Each (31)________ color from the spectrum is then sent to your eyes. For this to happen, the angle between the ray of light, the raindrop and the human eye must be between 40 and 42 degrees.

 After studying rainbows in (32)________, Sir Isaac Newton was able to explain how they are formed. However, he was color blind, so he had to rely on the eyes of his assistant, who could easily (33)________all the seven colors: red, orange, yellow, green, blue, indigo and violet. His assistant could also clearly tell the difference between indigo and violet.

 There are two types of rainbows. Primary rainbows are the most common and have the most distinctive colors, with red appearing on the outside of the arc and violet on the inside. Secondary rainbows are unusual because the light is reflected twice within the raindrop before it (34)________ a rainbow, so the colors are in reverse order and not as bright as primary rainbows.

 There is a popular myth that if you reach the end of a rainbow, you will find a pot of gold waiting for you. In fact, it is impossible to do this, because a rainbow has no end - as you go towards the point where the rainbow seems to touch the ground, it moves away from you as quickly as you (35)________.

Điền vào ô 35

A. progress

B. arrive

C. get

D. approach