Many environmentalists fear that the earth will run out essential natural resources before the end of the twenty-first century.

Read the following passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions from 21 to 25.

Everyone wants a job that pays well. Some people stop school early because they want to start earning cash right away. Others spend years and years studying in school in order to get a better job. Which is best? Actally, studies show that in most jobs, the higher your education, the higher your earning power.

For example, in the United States, high school graduates can make about $30,400 a year. The people who do not finish high school average only $23,400 a year. Just having a document that says you finished high school means an extra $7,000!

If you stay in school, you can make more money. A person who goes to college and gets a bachelor’s degree can make an average of $52,200. With a master’s degree, he or she can make about $62,000. And studies show that if a person gets a PhD, he or she can make $89,000 or more a year.

Of course, people with different occupations have different salaries. If you want to work and make more money, spend more time in school.

Mark the letter A, B, C or D to indicate the option that best completes each of the following exchanges.

The study of these animals are truly fascinating, and many books have been written about them.

Sending a child with an injury into a game gives the child the ________ that health is not as important as winning.

Read the following passage and mark the letter A, B, C or D to indicate the correct word or phrase that best fits each of the numbered blanks from 26 to 30.

Large forests are important to us in many ways. They give us wood (26) ________ building and heating. They are a home for many kinds of plants and animals. And for many city people, forests are a place to go for a vacation. People can (27) ________ about nature there. They can enjoy fresh air and sleep in a(n) (28) ________ place. But there is one more reason (29) ________ forests are important to everyone. The leaves on the trees in a forest help to clean the air. Dirty air is a serious problem in many (30) ________ of the world. Without our forests, this problem might be much worse.

The heating comes on automatically. You ________ turn it on.

Please give me a few milk and some biscuits if you have any left.

Mathematics is a compulsory subject in all Vietnamese high schools.

Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

"Why don’t you put a better lock on the door?" said my friend.

Mark the letter A, B, Cor D to indicate the correct answer to each of the following questions.

Mark the letter A, B, Cor D to indicate the word that differ from the other three in the position of primary stress in each of the following questions.

Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions.

Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.