Read the following article and select the best answer. Article: One way that scientists learn about man is by studying animals.In this lab, the scientists are studying the relationship between diet and health. They are studying the relationship between the amount of food the mice eat and their health.The mice are in three groups.All three groups are receiving the same healthy food.The first group is eating one cup of food each day, the second group is eating two cups, and the third group is eating three cups. After three years, the healthiest group is the one that is only eating one cup of food each day.The mice in this group are a little thinner. But _ are more active.Most of the day, they are running, playing with one another.Also, they are living longer.Mice usually live for two years.Most of the mice in this group are still alive after three years. The second group of mice is healthy, too.They are active, but not as active as the thinner mice.They are only living about two years. The last group of mice is receiving more food than the other two groups.Most of the day, these mice are eating or sleeping.They are not very active.These mice are living longer than the scientists thought-about a year and a half.But they are not healthy.They are sick more often than the other two groups. Question: People give each group of the mice _ amount of food every year. - a different - the same - a small - a large
a different

Read the following article and select the best answer. Article: The rapid growth of Smartphones and electronic tablets is making the Internet favourite for Americans reading news, a report said. News consumption online increased 17% last year from the year before. Television news, newspapers, radio and magazines all lost audience last year. For the first time, the number of people who get news online at least three times a week is larger than the number of people who get news from the newspapers. TV news has been the most popular since the 1960s. It has replaced the afternoon newspapers. But now the online news seems to be more popular than the TV news. People are used to having the Internet available on phones or small tablets. In December, 2010, 41% of Americans said they got most of their news on the Internet, more than double the 17% who said that a year earlier, the report said. In January, 2011, 7% of Americans owned electronic tablets, nearly double what it was three months earlier. It was the fastest-growing new digital technology, ahead of mobile phones when they were introduced. The online ad income was expected to surpass print newspaper ad income for the first time in 2010. The news business used to be the intermediary . You needed newspapers and TV stations to reach your customers. In this age of the computer, it's the software developers that you need. Question: The news business depends on _ today. - the reporters - the readers - the newspaper sellers - the software developers
the software developers

Read the following article and select the best answer. Article: How could we tell time if there were no watches or clocks anywhere in the world? The sun is probably the world's first "clock", except in the far north, where the Eskimos live. There, it's dark most of the winter, and light most of the summer. But in most of the world, people have used the sun as a clock. Even today, if you don't have a clock, you can still know that when the sun shines, it's day and when it's dark, it's night. The sun can also tell you if it's morning, noon, or afternoon. Some people live near the sea from the _ In the daytime, for about six hours, water rises higher and higher on the beach. And then it goes down and down for about six hours. The same thing happens again at night. There are two high tides and two low tides every 24 hours. Seamen on the ship learn how to tell time by looking at the moon and the stars. The whole sky is their clock. In some places in the world the wind comes up at about the same time every day or changes direction or stops blowing. In these places the wind can be the clock. A sand clock is an even better clock. If you had fine dry sand in a glass shaped like the one in the picture, you would have what is called an hourglass. The sand in the hourglass goes from the top part to the bottom in exactly one hour. When the hourglass is turned over, the sand will take another hour to go back again Question: In which page of newspaper can you probably read this passage? - News - Science - Advertisement - Sports
Science