tailieunhanh - Tµi liÖu luyÖn thi §¹i häc M«n TiÕng Anh – Test 10

Tham khảo tài liệu 'tµi liöu luyön thi §¹i häc m«n tiõng anh – test 10', tài liệu phổ thông, ôn thi đh-cđ phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Tài liệu luyện thi Đại học Môn Tiếng Anh - Test 10 PASSAGE 1 Long ago scientists studied the viruses that cause diseases. They found out that after a person has had a disease he seldom gets it again. He is said to be immune from the disease. This means that his body has developed a way of fighting the germs. However people do not seem to become immune from colds. This fact puzzled scientists for some time. The scientists already knew that the cold is caused by a very tiny kind of germ called a virus. Therefore they tried to capture the cold virus. They wanted to study it in the laboratory. They knew that if they succeeded they would be able to find a cure for colds. Finally a scientist did manage to grow cold germs in a laboratory. He discovered that there are a hundred kind of cold viruses. Each of them can cause people to have colds. If a person becomes immune from some there are still many others that can infect him. Fortunately a person develops more immunities as he grows older. That is why adults are less likely to catch colds than children. 1 Why do people not become immune from colds A. Because the people are not healthy C. Because the germs are too small 2 Which of these people are most likely to have colds A. Scientists B. Doctors 3 A person becomes immune against a disease A. by growing germs that cause it C. after studying the virus that causes it B. Because the virus is strong D. Because there are many kinds of cold viruses C. Old people D. Young children B. after having caught it once D. by capturing the virus in the laboratory 4 By growing cold germs in the laboratory the scientists discovered that A. there are many different types of viruses that cause colds C. there is a way of developing immunity against colds 5 The word fact in line 4 refers to A. how scientists were unsuccessful in capturing the cold virus C. how our bodies develop immunities as we grow older B. colds are caused by germs and viruses D. there is a complete cure for cold B. why .

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