北师大版模块1检测卷.doc

模块过关检测·必修一 第Ⅰ卷 第二部分　阅读理解(共两节，满分40分) 　　　　　　　　　　　　　　　　　　　 第一节　(共15小题；每小题2分，满分30分) 阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。 A You may know all about vitamin C，but do you know why vitamin D is also important to your body？Experts from the Childrens Hospital in Boston，US，have said that some teens dont get enough of this important nutrient. Vitamin D can help bones and muscles grow strong and healthy.If a person is short of vitamin D，he or she may have problems like rickets(佝偻病)and osteoporosis．Rickets is mainly found in children.Osteoporosis，the thinning of bone，is a common problem as people get older. Studies in these years have found that vitamin D may also have other uses.If someone is short of vitamin D, he may have heart problems or die from some cancers. The easiest way to get vitamin D is from sunlight.But many people worry about getting skin cancer and skin damage from the sun.Also, even skin color has an influence.Darker skinned people get less vitamin D than lighter skinned people.Older people get less vitamin D than younger people.You can also get it from foods.Some food such as cheese and egg yolks (蛋黄) have some vitamin D．But most of vitamin D in the American diet comes from food like milk with the vitamin added. Now more doctors are testing for vitamin D in their patients.But some doctors worry that if people take too much vitamin D, it might be bad for their body.At the same time, skin doctors tell people to be careful with sunlight. 【语篇解读】 本文以维生素D为线索，介绍了人体缺少这种维生素的话会导致疾病的发生，同时也谈到了如何获取维生素D。通过短文也能看出，过多的维生素D对人体是有害的。 21．What does the underlined word “osteoporosis” in Paragraph 2 mean? A．The bones and muscles grow strong and healthy. B．The bones become hard，but muscles become weak. C．The muscles become narrow. D．The bones become tender, and thin. 答案　D　[词义猜测题。由第二段的意思可知，osteoporosis是“骨质疏松”的意思，所以它使骨头变得脆弱和疏松。故D项正确。] 22．People who are younger may have________if they are short of vitamin D. A．toothaches B．headaches C．osteoporosis D．rickets 答案　D　[细节理解题。由第二段的If a person i