They eventually realize that reckless _______ of the earth's resources can lead only to eventual global disaster.

You _______ lunch. We have already eaten.

They eventually realize that reckless _______ of the earth's resources can lead only to eventual global disaster.

_______ is the existence of a wide variety of plant and animal species living in their natural environment. .

All the countries of the area have _______ to protect their wildlife but they are rarely enforced.

The society was set up to ______ endangered species from extinction.

I do not mind at all. You _______ apologize.

_______ is a branch of Natural Science, and is the study of living organisms and how they interact with their environment.

I will do everything. You _______ do anything unless you really want to.

You _______ worry so much. I will help you.

_______ is a hard cream-colored substance which forms the tusks of elephants. It is valuable and can be used for making carved ornaments.

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 17 to 21:

During the last 400 years, most scientists have (17) ________on mathematics in their development of their inventions or discoveries. However, one great British scientist, Michael Faraday, did not make (18)__________of mathematics. Faraday, the son of a poor blacksmith, was born in London in 1791 and had no (19) ______beyond reading and writing. In 1812 Faraday was hired as a bottle washer by the great chemist Humphry Davy. Later, Faraday became a greater scientist than Davy, making the last years of Davy's life embittered (20) __________ jealousy. Faraday made the first (21)__________motor in 1821, a device that used electricity to produce movement. 

Question 18:

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 17 to 21:

During the last 400 years, most scientists have (17) ________on mathematics in their development of their inventions or discoveries. However, one great British scientist, Michael Faraday, did not make (18)__________of mathematics. Faraday, the son of a poor blacksmith, was born in London in 1791 and had no (19) ______beyond reading and writing. In 1812 Faraday was hired as a bottle washer by the great chemist Humphry Davy. Later, Faraday became a greater scientist than Davy, making the last years of Davy's life embittered (20) __________ jealousy. Faraday made the first (21)__________motor in 1821, a device that used electricity to produce movement. 

Question 19:

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 18 to 23:

Nowadays, teenagers have (18)______ more money and expensive possessions than their parents ever did. Articles like radios and bicycles, which cost a fortune (19) _____ decades ago, are now mass-produced and cheap. And items that nobody even dreamed of possessing twenty years ago, such as mobile phones and computers, are now in common places. Teenagers are definitely better off financially. However life is not easy for them. There is much more to worry about than there was in the past. Jobs are not as secure (20)_____ they used to be and teenagers can no (21) _____ be confident that the world will always be peaceful and free of pollution. Teenagers drive their parents crazy (22)_____ many ways. Some of them spray their hair with amazing color, while others wear clothes that shock their parents. They all want (23)_____ own stereos, mobile phones and televisions. But these young people are not really behaving differently from how their parents behaved when they were young.

Question 18:

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 18 to 23:

Nowadays, teenagers have (18)______ more money and expensive possessions than their parents ever did. Articles like radios and bicycles, which cost a fortune (19) _____ decades ago, are now mass-produced and cheap. And items that nobody even dreamed of possessing twenty years ago, such as mobile phones and computers, are now in common places. Teenagers are definitely better off financially. However life is not easy for them. There is much more to worry about than there was in the past. Jobs are not as secure (20)_____ they used to be and teenagers can no (21) _____ be confident that the world will always be peaceful and free of pollution. Teenagers drive their parents crazy (22)_____ many ways. Some of them spray their hair with amazing color, while others wear clothes that shock their parents. They all want (23)_____ own stereos, mobile phones and televisions. But these young people are not really behaving differently from how their parents behaved when they were young.

Question 19:

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 18 to 23:

Nowadays, teenagers have (18)______ more money and expensive possessions than their parents ever did. Articles like radios and bicycles, which cost a fortune (19) _____ decades ago, are now mass-produced and cheap. And items that nobody even dreamed of possessing twenty years ago, such as mobile phones and computers, are now in common places. Teenagers are definitely better off financially. However life is not easy for them. There is much more to worry about than there was in the past. Jobs are not as secure (20)_____ they used to be and teenagers can no (21) _____ be confident that the world will always be peaceful and free of pollution. Teenagers drive their parents crazy (22)_____ many ways. Some of them spray their hair with amazing color, while others wear clothes that shock their parents. They all want (23)_____ own stereos, mobile phones and televisions. But these young people are not really behaving differently from how their parents behaved when they were young. 

Question 22:

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 18 to 23:

Nowadays, teenagers have (18)______ more money and expensive possessions than their parents ever did. Articles like radios and bicycles, which cost a fortune (19) _____ decades ago, are now mass-produced and cheap. And items that nobody even dreamed of possessing twenty years ago, such as mobile phones and computers, are now in common places. Teenagers are definitely better off financially. However life is not easy for them. There is much more to worry about than there was in the past. Jobs are not as secure (20)_____ they used to be and teenagers can no (21) _____ be confident that the world will always be peaceful and free of pollution. Teenagers drive their parents crazy (22)_____ many ways. Some of them spray their hair with amazing color, while others wear clothes that shock their parents. They all want (23)_____ own stereos, mobile phones and televisions. But these young people are not really behaving differently from how their parents behaved when they were young. 

Question 23:

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 18 to 26:

Nowadays, teenagers have (18)______ more money and expensive possessions than their parents ever did. Articles like radios and bicycles, which cost a fortune (19) _____ decades ago, are now mass-produced and cheap. And items that nobody even dreamed of possessing twenty years ago, such as mobile phones and computers, are now in common places. Teenagers are definitely better off financially. However life is not easy for them. There is much more to worry about than there was in the past. Jobs are not as secure (20)_____ they used to be and teenagers can no (21) _____ be confident that the world will always be peaceful and free of pollution. Teenagers drive their parents crazy (22)_____ many ways. Some of them spray their hair with amazing color, while others wear clothes that shock their parents. They all want (23)_____ own stereos, mobile phones and televisions. But these young people are not really behaving differently from how their parents behaved when they were young. Many today’s parents and grandparents will laugh when they (24)_____ crazy fashions they wore. Those adults, (25) _____ are parents now fought with their own parents about clothes and lifestyle. In fact, teenagers have fought with their parents (26)_____ time began and no doubt they will always.

Question 20:

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 18 to 23:

Nowadays, teenagers have (18)______ more money and expensive possessions than their parents ever did. Articles like radios and bicycles, which cost a fortune (19) _____ decades ago, are now mass-produced and cheap. And items that nobody even dreamed of possessing twenty years ago, such as mobile phones and computers, are now in common places. Teenagers are definitely better off financially. However life is not easy for them. There is much more to worry about than there was in the past. Jobs are not as secure (20)_____ they used to be and teenagers can no (21) _____ be confident that the world will always be peaceful and free of pollution. Teenagers drive their parents crazy (22)_____ many ways. Some of them spray their hair with amazing color, while others wear clothes that shock their parents. They all want (23)_____ own stereos, mobile phones and televisions. But these young people are not really behaving differently from how their parents behaved when they were young. 

Question 21:

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 46 to 50:

When you read something in a foreign language, you frequently come across words you do not fully understand. Sometimes you (46) ______ the meaning in a dictionary and sometimes you guess. The strategy you adopt depends very much upon the degree of accuracy you require and the time at your disposal. If you are the sort of person who tends to turn to the dictionary frequently, it is (47) ______ remembering that every dictionary has its limitations. Each definition is only an approximation and one builds up an accurate picture of the meaning of a word only after meeting it in a (48) ______ of contexts. It is also important to recognize the special dangers of dictionaries that translate from English into your native language and vice versa. If you must use a dictionary, it is usually far safer to consult an English-English dictionary. In most exams you are not permitted to use a dictionary. (49) ______ you are allowed to use one, it is very time-consuming to look up words, and time in exams is usually limited. You are, therefore, forced to guess the meaning of unfamiliar words. When you come across unknown words in an exam text, it is very easy to panic. However, if you develop efficient techniques for guessing the meaning, you will overcome a number of possible problems and help yourself to understand far more of the text than you at first thought likely. Two strategies which may help you guess the meaning of a word are: using contextual clues, both within the sentence and outside, and making use of clues (50) ______ from the formation of the word.

Question 46:

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 46 to 50:

When you read something in a foreign language, you frequently come across words you do not fully understand. Sometimes you (46) ______ the meaning in a dictionary and sometimes you guess. The strategy you adopt depends very much upon the degree of accuracy you require and the time at your disposal. If you are the sort of person who tends to turn to the dictionary frequently, it is (47) ______ remembering that every dictionary has its limitations. Each definition is only an approximation and one builds up an accurate picture of the meaning of a word only after meeting it in a (48) ______ of contexts. It is also important to recognize the special dangers of dictionaries that translate from English into your native language and vice versa. If you must use a dictionary, it is usually far safer to consult an English-English dictionary. In most exams you are not permitted to use a dictionary. (49) ______ you are allowed to use one, it is very time-consuming to look up words, and time in exams is usually limited. You are, therefore, forced to guess the meaning of unfamiliar words. When you come across unknown words in an exam text, it is very easy to panic. However, if you develop efficient techniques for guessing the meaning, you will overcome a number of possible problems and help yourself to understand far more of the text than you at first thought likely. Two strategies which may help you guess the meaning of a word are: using contextual clues, both within the sentence and outside, and making use of clues (50) ______ from the formation of the word.

Question 48: