【正文】 ? A. Two. B. Three. C. Four. 12. When can the woman move in? A. Right now. B. In two weeks. C. In October. 聽下面一段對話，回答第 13 至第 16 四個小題。 they fall out to make bigger room for bigger, stronger adult teeth later on. Adult teeth fall out when they bee damaged, decayed（腐爛） and infected by bacteria. Once this second set of teeth has grown in, you?re done. When they?re gone, they are gone. This is because nature figures you?re set for life, and what controls regrowth of your teeth switches off. Do old people shrink（收縮） as they age? Yes and no. Many people do get shorter as they age. But, when they do, it isn?t because they?re shrinking all over. They simply lose height as their spine (脊柱 ) bees shorter and more curved due to disuse and the effect of gravity (重力 ). Many (but not all) men and women do lose height as they get older. Men lose an average of 34 cm in height as they age, while women may lose 5 cm or more. If you live to be 200 years old, would you keep shrinking till you were, like 60 cm tall, like a little boy again? No, because old people don?t really shrink! It is not that they are growing backwards—their legs, arms and backbones getting shorter. When they do get shorter, it?s because the spine has shortened a little. Or, more often, bee more bent and curved. Why does spinning make you dizzy)? Because your brain gets confused between what you?re seeing and what you?re feeling. 25. What is the color of blood in a vein near the surface of the skin? A. Blue B. Light yellow C. Red D. Dark reddish purple 26. Why do some old people look a little shrunken as they age? A. Because their spine is in active use. B. Because they are more easily affected by gravity. C. Because they keep growing backwards. D. Because their spine bees more bent. 27. Which of the following statements about our brain is true? A. In the long run, our brain probably works harder than our heart. B. When our brain senses the spinning, we will feel dizzy. C. The brains of the other mammals are as plex as those of humans. D. Our feelings and emotions e from the most developed area in our brain. 28. What is the main purpose of the selection? A. To give advice on how to stay healthy. B. To provide information about our body. C. To challenge new findings in medical research. D. To report the latest discoveries in medical science. C LONDON A British judge on Thursday sentenced a businessman who sold fake(假冒的 ) bomb detectors(探測器 ) to 10 years in prison, saying the man hadn39。t function on the basis of science. 32. It can be inferred from the passage that McCormick _______. A. sold the equipment at a low price B. was wellknown in most countries C. did not think he had mitted the crime D. had not got such huge profit as mentioned in the text D. “Indeed,” Gee Washington wrote in his diary in 1785, “some kind of fly, or bug, had begun to eat the leaves before I left home.” But the father of America was not the father of bug. When Washington wrote that, Englishmen had been referring to insects as bugs for more than a century, and Americans had already created lightningbug(螢火蟲 ). But the English were soon to stop using the bugs in their language, leaving it to the Americans to call a bug a bug in the nieenth and twentieth centuries. The American bug could also be a person, referring to someone who was crazy about a particular activity. Although fan became the usual term, sports fans used to be called racing bugs, baseball bugs, and the like. Or the bug could be a small machine or object, for example, a bugshaped car. The bug could also be a burglar alarm, from which es the expression to bug, that is, “to install (安裝 ) an alarm”. Now it means a small piece of equipment that people use for listening secretly to others? conversation. Since the 1840s, to bug has long meant “to cheat”, and since the 1940s it has been annoying. We also know the bug as a flaw in a puter program or other design. That meaning dates back to the time of Thomas Edison. In 1878 he explained bugs as “l(fā)ittle problems and difficulties” that required months of study and labor to overe in developing a successful product. In 1889 it was recorded that Edison “had been up the two previous nights disco