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1、Unit 21 Human Biology一、课前基础自查(一)分类记单词省时高效.阅读单词(知其意)1interval n间隔；间歇2enhance vt. 增强；提高3supreme adj. (程度)最大的，极度的4compulsory adj. 强制性的，义务的5controversial adj. 有争议的6contradict vt. 与(其他事物)相矛盾7interpret vt. 翻译；解释8impulse n. 脉冲9complicated adj. 复杂的10ample adj. 充足的，充裕的11storage n. 储存12acute adj. 严重的；剧烈的13sta
2、tistics n. 统计资料；统计数字14adaptation n. 变化；变种15mourn vi.& vt. 感到悲痛；表示哀悼16prescription n. 处方17systematic adj. 系统化的18temporary adj. 临时的；短暂的19terminal adj. 致命的；晚期的20minimum n. 最低；最小21.extension n延期22sceptical adj. 怀疑的23absurd adj. 荒谬的；不合理的.重点单词(写其形)1circulatevi.循环2digestvt. 消化3abusevt. 滥用4fundamentaladj. 根
3、本的；基础的5seekvt. 寻找6submitvt. 提交7postponevt. 延期，推迟，延迟8identifyvt. 确定；认出，识别9symptomn. 症状；征兆10weeklyadj. 每周一次的11declinevi. 下降12firmn. 商行，公司13raten. 比率14deadlinen. 截止日期，最后日期15votevi. 表决16circumstancen. 情形；情况.拓展单词(通其变)1tolerate vt.容忍tolerantadj.宽容的；容忍的tolerancen容忍2oppose vt.反对oppositeadj.相反的；反对的opposition
4、n相反opposedadj.相反的，对立的3privileged adj.荣幸的privilegen特权；优惠，优待4enquiry n询问enquirev询问，调查5prohibit vt.禁止prohibitionn禁止；禁令prohibitiveadj.禁止的6unite vt.联合；团结；统一unionn团结unitedadj.团结的7equip vt.使有准备equipmentn装备；设备8fortune n大笔钱财，巨款fortunateadj.幸运的fortunatelyadv.幸运地unfortunateadj.不幸的misfortunen不幸9concern n担心；担忧co
5、ncernedadj.关心的，牵挂的；有关的concerningprep.关于10annual adj.每年的，一年一次的，年度的annuallyadv.一年一次地，每年地，年度地语境活用1Tom is often fortunate. Last year he went to Shanghai to try his fortune. Fortunately he met and married his girlfriend there.(fortune) 2I admire you for your tolerance,_ because you can tolerate things wh
6、ich cant be tolerant.(tolerate)3Our parents are concerned about our health and future.As far as Im concerned,_we should talk with our parents and tell them our concerns.(concern)4As a famous saying goes, union is strength. If united,_ we can overcome all the difficulties, so lets unite together.(uni
7、te)5We oppose building a chemical factory near our village, which will cause much air pollution. Luckily, because of our opposition,_the factory wont be built.(oppose)6Our school offers good equipment and you will be well equipped with knowledge and skills for your future job.(equip)7If you want to
8、join our club, theres an annual membership fee of 100 and the organization publishes its list of member annually. (annual)(二)练中记短语记牢用活写准记牢语境活用(选用左栏短语填空)1.in_vain徒劳，白费力气2at_random随便地，随意地3at_all_costs不管多大代价，无论如何4straight_away立刻，马上5wipe_out彻底毁灭6stop_sth._in_its_tracks终止；消灭7rob_sb.of_sth.抢劫某人某物8at_any_r
9、ate无论如何；至少9get_down_to开始做10bring_up教育；抚养；呕吐11get_through通过(考试)；完成12clear_up整理；解释；澄清13put_off推迟；延期14miss_out遗漏；遗忘；错过机会15focus_on聚焦；集中；对准1.The people for the experiment were chosen completely at_random.2We must at_all_costs prevent them from finding out about the plan.3I have tried very hard to find o
10、ut a solution to the problem, but in_vain.4At_any_rate,_the medical supplies will reach you within a week.5Its not an easy task for you to bring_up a small child on your own.6Had the boy worked harder, he would have got_through the exams.7They have decided to put_off holding the meeting because of t
11、he bad weather.8Its time that I got_down_to thinking about my future.9I cant focus my attention on study with so much noise outside.(三)仿写明句式以用为本教材原句句式解读句式仿写1.It is compulsory for winners to be tested but other participants are only tested at random.获胜者要强制性地进行检查，而其他参与者只是随机地检查。“It isadj. for sb.to do
12、.”句型。(2017全国卷书面表达)你通晓中国文化是有必要的。Its_necessary_for_you_to_have a good knowledge of Chinese culture.2.The Olympic spirit the spirit of competition which emphasises taking part rather than winning has been violated by the desire to succeed at all costs.人们不惜任何代价想要获胜的愿望违背了重在参与而不是获胜的奥林匹克精神。rather than并列连词，
13、表示“而不是”。作为学生，我们应当通过努力学习而非考试作弊来取得好成绩。As students, we should try to get good results by studying hard rather_than_cheating_in_exams.3.Having killed up to 50 million people in 18 months, with a tendency to strike the young and fit rather than the old, the Spanish Flu is believed to have been the most a
14、cute epidemic in history.西班牙流感在18个月内使多达5千万人丧命，并且发病的倾向为年轻力壮的年轻人而不是老年人，它被认为是历史上最严重的流行性传染病。“sb./sth.be believed to .”意为“某人或某物被认为”。他被认为是健在的好的作曲家之一。He_is_believed_to_be one of the best living composers.二、课堂重点深化1postpone vt.推迟，延期自主体验单句语法填空The military training for the freshmen in the new term was postponed until/to the next Sunday because of the bad weather.The headmaster postponed holding (hold) the meeting until all teachers arrived at the meeting room.系统归纳postpone doing sth.延缓/推迟做某事postpone sth.until/to . 把某事推迟到重点强化
