《大学英语II》期末预测试卷No.(附答案).docVIP

PAGE 1 PAGE 10 重庆交通学院《大学英语II》期末预测试卷No.3 Part I Listening Comprehension (20%) （略） Part II Reading Comprehension (40%) Directions: There are 4 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C), and D). You should decide on the best choice and mark the corresponding letter on the Answer Sheet with a single line through the center. Passage 1 Questions 31 to 35 are based on the following passage: Every year about 10,000 people in the United States die from severe burns. Severe burns allow the loss of water from the body. Once the protective covering of the skin is gone, the body is also in great danger of bacterial infection. When someone has been burned, the most important first step is to close the wound. The best way to close the wound is to transplant (移植) skin from another part of the victim’s body. Unfortunately, some burns affect such a large area that transplanting the patient’s own skin is not possible. Fortunately, chemical engineers have recently developed a new product to help burn victims. This product is artificial (人造的) skin. Artificial skin can quickly cover and protect large areas of burned skin. Artificial skin is a two-layer material made of tissue (组织) from cattle. It is only two hundredths of an inch thick. This material guards against infection and the loss of fluids while the patient’s skin grows back. Over small wounds, artificial skin is eventually shed (脱落) as the natural skin underneath heals. Over larger wounds, the artificial skin lasts up to 40 days before it breaks down and a new one must be used. Artificial skin may help save the lives of thousands of burn victims? 3l. What is the damage of severe burns to burn victims? A. The body is more likely to be infected with bacteria. B. They leave some scars (疤) on the skin. C. The tissue underneath the skin is damaged. D. They upset blood circulation (循环). 32. When some