*Question*
Music lessons may improve memory and learning ability in your children by promoting different patterns of brain development, a study shows. After a year of musical training, children aged between 4 and 6 performed better at a standard memory test than did children who were not taught music.The findings suggest that music could be useful for building the learning capacity of your minds. Earlier studies have shown that older children given music lessons become better at IQ tests than those who are musically untrained, but this is the first to show such a benefit in children so young. Professor Laurek Trainor, of McMaster University in Hamilton, Ontario, also found clear differences in the ways in which children's brains responded to sound after a year of musical training.'This is the first study to show that brain responses in young, musically trained and untrained children change differently over the course of a year," she said."These changes are likely to be related to the cognitive( )benefit that is seen with musical training." Professor Trainer's team looked at 12 children, 6 of whom had just started extra-curricular music lessons and 6 of whom were not being taught any music except that included as a standard part of their school curriculum . During the year all 12 children had their brains examined four times using magneto-encephalography (MEG), and each child was played two types of sound --white noise and a violin tone.The MEG measurements showed that all children responded more to violin sounds than to white noise, reflecting a preferable for meaningful tones, and their response times fell over the course of the year as their brains matured. We know from the MEG measurements that _ . A) the older a child is, the more quickly he/she responds to sounds B) human brains prefer musical sounds to white noise C) children of different ages respond to sounds at the same speed D) all the twelve children like to learn to play the violin very much
**Answer**
B

*Question*
Tamara walked through the night to the little house where her </PGN0103.TXT/PGN>old nurse lived. The old woman gave her a meal. Then Tamara went out to get a car. She had enough money with her to pay for the use of a car for a few days. She wanted to go into town and see a friend, a teacher of science. She had to sit through the second part of a class before she was able to speak to him. But then he took her to his office and listened to her. She told him that she wanted to build houses on some land her husband had owned. But first she must clear it of unwanted plants. She wanted something that would kill them. Her friend wrote down a name on a piece of paper and told her to take it to a shop he knew. "You will need lots of it." he said. "Put it in water and spread it over the plants." Tamara went to see her nurse _ . A) by car B) by train C) by bus D) on foot
**Answer**
D

*Question*
The immune system is the body's defender. It identifies, tracks down, and destroys troublemakers before they can hurt the body. Those troublemakers may be, for example, bacteria from a cut or splinter, a measles germ, a cold bug, or even a cancer cell. These invaders try to take over our tissues and feed off our bodies' nutrients. If they succeed, we become sick or, sometimes, even die. It's the job of our immune systems to destroy these invaders before they destroy us. Say you picked up a flu virus last week. Perhaps it entered your body through a cut, from a drinking glass, or from the air you breathe. Of course, you didn't feel it, but the virus made its way into your bloodstream. As soon as it entered your body, it began to reproduce. Viruses have only one goal: to take over your cells. Once inside your body, viruses try to enter cells and disrupt their normal work. If left alone, these viruses would hurt so many cells that you would weaken, or worse, get a serious illness. But this flu virus should not be so complacent as it seems to be. As it reproduces in your bloodstream, the virus is met by a certain kind of white blood cell, the lymphocytes. The _ are the foot soldiers that keep you alive. The number of lymphocytes in your body is hard to imagine. Thousands of them could fit in the period at the end of this sentence. Your body holds about a trillion --that's 1,000,000,000,000 of them, or about 3,000 in every drop of blood. _ Some of these lymphocytes pass through a small walnut-sized organ called the thymus. The thymus is the base of the neck. Here, special hormones turn lymphocytes into fighting cells, called T cells. T cells have one terrific talent: They can tell the difference between friend and foe; what should be in our bodies and what shouldn't. They do not affect the body 's healthy cells. Yet they attack everything that is foreign to our bodies, such as germs, transplants, and even our own cells which have become abnormal, as in the case of cancer. What is the function of our immune system? A) To prevent bacteria or germs from entering the body. B) To destroy the troublemakers in order that they might not hurt the body. C) To fight against T cells. D) To take over our tissues and feed off our bodies' nutrients.
**Answer**
B

*Question*
Believing overweight among school children is the result of bake sales, the Education Department of New York declared that bake sales will be banned all through the states, as a part of their new "wellness"policy. The ban gives a harder time to schools tying to earn money,because of budget difficulties. Bake sales have proven to be highly profitable toward schools with young people because the start-up costs are very small. Allie,a Roslyn High School freshman , agrees that bake sales are needed for school supplies."l think it's wrong for schools to ban bake sales because a lot of schools need the money to be raised. Our school could really use the money for new uniforms."Allie also commented on the bake sales apparent cause of child overweight. "I feel that it is the student's choice to eat the baked goods. lf they want it, let them have it."Jessica,another Roslyn High School freshman, had a different opinion."I feel that children can not always stay away from items such as cupcakes. It might be better if the amount of bake sales were limited, and only allowed students to buy one item." New York Education advisors are having trouble coming up with substitute product for students to sell. A plan of advertising healthier foods has come into play. However the department needs to consider if students will go for items like vegetables. Allie and Jessica don't think so."Students might not like the healthier foods. This way, the schools are gaining less money."Allie shares. Another plan to think about is the idea of not selling food products altogether. Alternate programs are being conducted throughout New York schools,such as walk-a-thons, as a healthy way for students to earn money for their schools. According to Jessica, the cupcakes _ A) Don't belong to the bake sales B) Should't be banned at school C) Mustn't be sold at schools D) can be fully replaced by vegetables
**Answer**
B