状语从句练习部分.pptVIP

状语从句练习部分 Session 10presented by Catherine CHI 状语从句可以用来修饰谓语（或其他动词）、定语或状语或整个句子。 状语从句可以用来表示时间、地点、原因、目的、结果、条件、行为方式、比较关系、让步等。 (一）表示时间的状语从句可以用when, whenever, as, while, before, after, until, till, since, now that, once, as long as, as soon as等词引起。 一般说来，当一个人摄入的卡路里超出身体所能消耗的数量时，就会变得肥胖。 Basically, obesity occurs when a person eats more calories than the body burns up. 一旦一个人的思想能够借助语言传递给另一个人，知识便开始增长了。 Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech. 自从发明了英特网，我们的通信方式发生了巨大的改变。 Our means of communication has undergone drastic changes since the Internet was invented. 只要每个人都充分意识到青少年吸毒问题的严重性并采取有效措施，我坚信我们一定能克服这个问题。 As long as we are fully conscious of the gravity of youth drug abuse, and adopt some remedial measures, I am convinced that we can overcome the problem. (二）表示地点的从句，由where 和wherever引导的 在电脑广泛运用的地方，许多工人失业了。 Many workers are out of employment where computers are widely used. 在植被破坏严重的地方，水土流失是不可避免的。 Soil erosion is inevitable where damage of vegetation is serious. （三）表示原因的从句可以由as, because, since等引起。 骑单车对人的身体有益，因为骑车可以消耗掉人过多的脂肪。 Riding a bike is physically beneficial because bicyclists burn excess fat while riding. 由于肥胖问题常常影响不止一个家庭成员，把健康饮食和有规律的运动当做家庭活动可以增加成功控制青少年体重的机会。 Since obesity often affects more than one family member, making healthy eating and regular exercise a family activity can improve the chances of successful weight control for the child or adolescent. 有些老年人愿意去养老院，因为在那里他们能够享受更好的居住环境，得到专业的治疗和照顾。 Some old people are willing to live in a nursing home as they can enjoy better living environment and have a professional care and treatment. （四）表示目的的从句可以用that, so that, in order that 引导 家长和孩子应该多多进行感情交流，从而消除代沟。 Parents and children should have more emotional exchanges so that the generation gap can be removed. 应该加快远程教育的发展，这样更多的孩子才有机会接受高质量的教育。 Tele-education should be developed at a faster pace so that more children can have access to education of high quality. 应该妇女去追求她们自己的事业，这样她们才能展现自己的才华。 Females shou