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閱讀理解，閱讀下面的短文，然后根據(jù)短文內(nèi)容，在每小題所給的四個(gè)選項(xiàng)中選出最佳選項(xiàng)。
Around the world, people have beliefs(信念)about certain food and drink．Some people think that chicken soup is good for a cold．Others believe that it is unhealthy not to eat meat．If you want to know whether these beliefs are true or not, read this text to find out．
Belief：Chicken soup helps to fight a cold．
Fact：For centuries, people have believed that chicken soup is good for a cold．Now, doctors say this belief may be true．Scientists say that chicken soup contains(包含)a special substance(物質(zhì))that stops a cold from getting worse．Also, heat from the soup can make a person feel better．
Belief：A vegetarian diet is unhealthy．
Fact：Meat, especially red meat, contains protein(蛋白質(zhì))that the body needs．A person who doesn't eat meat can get enough protein and be healthy by eating tofu, eggs, nuts, and certain vegetables．
Belief：Chocolate causes skin trouble．
Fact：This is a general belief that is not true! Scientists say that eating chocolate does not cause skin trouble．More often, the cause is stress or not getting enough sleep．
Belief：Tea is better than coffee．
Fact：A study in 2002 showed that black or green tea contains substances that can protect your heart, fight cancer and make fat less in your body．Coffee does not do this．
Belief：Foods like bread and potatoes are fattening(使發(fā)胖)．
Fact：Bread and potatoes do not contain much fat, or many calories．Eating too much and not exercising can cause us to get heavier．Also, adding fattening things like butter(奶油)to bread and potatoes can raise the number of calories we eat．
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are watching and listening．When they are getting older, they begin to 5 story books, science books …, anything they like．When they find 6 , they love to ask questionsand try to find out the answers．
we are 9 getting answers from others and do not ask why, we will never learn well．When we study in the right way, we will learn more and understand 10 ．