What is meant by the phrase “mixed results”?
A.The results are blended.
B.The results are a composite of things.
C.The results are inconclusive.
D.The results are mingled together.

The word “portrayed” could best be replaced by which of the following?
A.studied
B.destroyed
C.tested
D.described

According to the passage, one yolk contains approximately what fraction of the suggested daily limit for human consumption of cholesterol?
A.3/4
B.2/3
C.1/2
D.1/3

Choose the answer that is nearest in meaning to the sentence printed before.
She said she would go to the police unless she was given her money back.
A.A. She went to the police because she hadn't got her money back.
B.B. She hasn't yet got her money back or gone to the police.
C.C. She wasn't given her money back because she had gone to the police.
D.D. She was given her money back and then went to the police.

Which of the following could best replace the word “somewhat”?
A.in fact
B.a little
C.indefinitely
D.a lot

Choose the answer that is nearest in meaning to the sentence printed before.
We are planning on spending the weekend in the country as long as the weather stays fine.
A.A. We're planning on spending the weekend in the country despite the bad weather.
B.B. If the weather is fine, we will spend the weekend in the country.
C.C. If the weather is finer, we would spend the weekend in the country.
D.D. If the country is nice, we will spend the weekend there.

Choose the answer that is nearest in meaning to the sentence printed before.
If I'd known about Josie's illness, I wouldn't have missed seeing her.
A.A. I saw Josie, and I knew she was ill.
B.B. I didn't know Josie was ill, so I saw her.
C.C. I didn't know Josie was ill, and I didn't see her.
D.D. I didn't see Josie although I knew she was ill.

Choose the word or phrase that best fits the blank space in the following passage.
Mexico City is growing quickly. In 1970, the city had about 9 million people. Now it has over 17 million. All these people are causing problems for the city. There are not (31) ______ jobs. Also, there is' not enough housing. Large families have to live together in small homes. Many homes do not have water. They also do not have bathrooms or electricity. The Mexican government is (32) ______ about all these problems. It is working hard to make life better in the city.
Why is Mexico City growing so fast? Where are all these people coming from? They are coming to the city from the country. Life is hard on the farms in Mexico. Most people on farms have to live a very simple life. They have no (33) ______money for modern things. People think life in the city must be better. So they leave their farms and move to Mexico City.
All around the world, large cities have the same problems. One of them is air (34) ______. Mexico City has bad air. It is dirty and unhealthy. Cars are one reason for the dirty air. Many Mexicans now own their own cars and drive in the city. The factories in the area also cause air pollution. These factories put a lot of (35) ______ into the air. It is not easy to clean up the air in a large city. The government has to make new laws, and everyone has to help.
(32)
A.A. worried
B.B. interested
C.C. discussed
D.D. known

Read the passage, then choose the correct answers.
No one knows the limits of population that the earth can support. Thomas Malthus, an English economist, developed a theory that became widely accepted in the nineteenth century. He suggested that because world population tended to increase more rapidly than the food supply, a continual strain was exerted upon available resources. Malthus cited wars, famines, epidemics, and other diseases as the usual limitations of population growth.
With recent advances in science and technology, including improved agricultural methods and great strides in medicine, some of the limiting factors in population growth have been lessened, with obvious results.
International organizations have put forward several recommendations to alleviate the problem of overpopulation, including an increase in food production, general economic development in target areas, and a decrease in birth rate. Most experts agree that it will be necessary to combine all three recommendations in an effort to affect a lasting solution.
Which of the following is not true according to the passage?
A.A. The earth has enough resources to support all of its population.
B.B. The theory developed by Thomas Malthus was believed by most people in the 19th century.
C.C. Medical advance has lessened some of the limiting factors in population growth.
D.D. International organizations are seeking a lasting solution to the overpopulation problem.

Read the passage, then choose the correct answers.
No one knows the limits of population that the earth can support. Thomas Malthus, an English economist, developed a theory that became widely accepted in the nineteenth century. He suggested that because world population tended to increase more rapidly than the food supply, a continual strain was exerted upon available resources. Malthus cited wars, famines, epidemics, and other diseases as the usual limitations of population growth.
With recent advances in science and technology, including improved agricultural methods and great strides in medicine, some of the limiting factors in population growth have been lessened, with obvious results.
International organizations have put forward several recommendations to alleviate the problem of overpopulation, including an increase in food production, general economic development in target areas, and a decrease in birth rate. Most experts agree that it will be necessary to combine all three recommendations in an effort to affect a lasting solution.
According to the passage, why has overpopulation been caused?
A.A. Improved technology
B.B. Disasters
C.C. Scarcity
D.D. Precaution