1、Unit 3Science and natureWord power,QuizFill in the blank with proper words. 1. My pen _. I cannot find it. (appear) 2.The book is on the top shelf. Im not so tall that I am _ to reach it. (able),disappeared,unable,3. Its _ for him to catch the early bus. Because he got up too late this morning. (pos
2、sible) 4. _ leads to quarreling. (understand),impossible,Misunderstanding,preview,early, before,recreate,again,uncertain,not, opposite of,anti-smoking,against, opposed to,disappear,not, opposite of,incorrect illegal immoral irresponsible,not, without,Some other words with prefix:,invisible inactive
3、inadvisable,imbalance immobile,recall reuse represent recreate,unlock unexpected unwise,Note:,Prefix: a group of letters that is added to the beginning of a word to change its meaning.,1. Mr Li is _. He is always helping others and a good citizen. (respect) 2. Miss Wang is a _. She loves her job wri
4、ting novels. (novel) 3. The teachers words were a great _ to him. (encourage),respectable,novelist,encouragement,4. Hangzhou is so _ that it attracts many visitors. (beauty) 5. The accident happened because of his _. (care),beautiful,carelessness,comfortable,worthy of, able to be,cheerful,full of,sc
5、ientist,sb. who does sth.,agreement,hopeless,without,indicate a state,dryness,indicate a quality,Some other words with suffix:,careless treeless,development government,laziness silliness nerviness,Suffix: a letter or a group of letters added to the end of a word to make a different word.,Lets fill i
6、n the blanks with what we learned just now.,I am strongly against cloning humans. I think it is _ for us to do that. People who want to clone human beings show their _,irresponsible,disrespect,for nature. They are hardly aware of the _ effects of cloning humans. It is _ what a cloned human being wou
7、ld be like. It could turn out to be a monster! In my opinion, tight laws should be put in place to make cloning human beings _.,harmful,uncertain,illegal,Work in groups of four and try to give more prefixes and suffixes and list several words as examples.,Discussion,Organs of the body,Read part A.,F
8、ill in the blanks with the names of body parts. Think of the body like a school. At the top of the school is the headmaster, known as the _. This is the organ that controls the rest of the organs, just like the headmaster controls the school. After this comes the _.,brain,heart,It is like a teacher.
9、 This organ pumps the blood around the body so it can run well. This is similar to the knowledge a teacher gives to students. Next is the _, which is the only one that can re-grow itself. It helps to clean the blood. This is like the knowledge students get from teachers. Students always grow with ne
10、wly found knowledge.,liver,The _are the organs of the body that use the oxygen we breathe. Think of the oxygen as the life we lead at school. The _ is very useful as it stores the food we eat until we can digest it properly. This is similar to the learning process. We store the information for later
11、 revision, so this organ is like our notebook. The _are the organs,lungs,stomach,kidneys,that remove waste products from the blood and produce urine. They are like the cleaners, repairmen and security guards who look after our school. Now you can see how similar our school life is to our body and we
12、 can look after them both.,Language points,1. work out,1) 计算出, 制定出, 结果为,We are going to work out a new plan.,Who can work out this physical problem?,2) exercise 锻炼, 运动,He keeps on working out to lose weight.,work on 从事某项工作，继续工作,work at 学习，研究，致力于; 在下功夫,他正在撰写一本新词典。,He is working on a new dictionary.,I
13、m working at my study.,我正在努力学习。,2. opposed to:,opposed adj. 反对的，对抗的，对立的,opposed to 反对; 与相对立,我们坚决反对在国与国之间实行强权政治。,We are firmly opposed to the practice of power politics between nations.,真理是谬误之对。,Truth is opposed to falsehood.,opposed to = in opposition to,3. opposite of,opposite n. 对立面，对立物,Whats the
14、opposite of tall ?,1) adj. 对面的，相对的,on the opposite side of the street,2) adj. 相反的，对立的,go in the opposite direction,朝相反的方向去,3) prep. 在的对面,live opposite the post office,住在邮局对面,4) adv. 在对面,He stood opposite.,4. in favor of,1) 赞同，支持,be in favor of sbs suggestion,2) 有利于,The score was 2 to 1 in favor of t
15、he guest team.,比分为二比一，客队获胜。,favor,1) n. 好感，欢心,win sbs favor,赢得某人的欢心,2) n. 恩惠,do sb. a favor = do a favor for sb.,帮某人一个忙,May I ask a favor of you?,请您帮个忙行吗?,favorable adj. 赞成的，有利的,He is favorable to our plan.,a favorable situation,他赞成我们的计划。,有利的形势,5. worthy of,be worth,doing sth.,sth.,be worthy,of bein
16、g done,to be done,of sth.,be worth 后可跟表示价值的名词, 而be worthy后不可以,The city is worth visiting.,The city is worth a visit.,The city is worthy of being visited.,The city is worthy to be visited.,The city is worthy of a visit.,The book is worth five yuan.,The book is worthy of five yuan.,X,6. characterize,c
17、haracterize vt.表示的特性，成为的特性,be characterized as a man of principle.,被描绘成一个有原则的人,characteristic n. 特性，特征,the characteristics of the present situation,目前形势的特点,7. care,1) vt. 介意,I dont care how far Ill have to go.,无论走多远，我都不在乎。,2) vi. 关心，担心，计较 (for/about),care for sbs safety,为某人的安全担心,He doesnt care about
18、 his clothes.,他不讲究衣着。,3) vi. 喜欢，愿意 (for/ to do),Would you care for a game of table-tennis?,I dont care to go there.,我不愿到那儿去。,I dont much care about going.,我不太想去。,8. achieve,achieve vt. 赢得，取得，实现,We have achieved success in developing the product.,achievement,2) u n. 完成, 达到, 成功,celebrate the achieveme
19、nt of ones goals.,achievable adj. 能达到的,1) c n. 业绩, 成就, 成绩,Winning three gold medals is a remarkable achievement.,9. be similar to,be similar to 与相似,A is similar to B in man ways.,similarity n. 类似点，类似物,Are there any similarities between the two?,10. newly,newly-built,newly-married,newly-born,newly-published,新建的,新婚的,新生的,新出版的,11.,think ofas,think oflike,看作认为是,think of oneself as/like a common solider,把自己看成普通战士,think twice,think much of,think little of,think aloud,think over,重新考虑,认为很不错,认为没什么了不起,自言自语,仔细考虑,Revise what we learned in this class and prepare for the checking.,Homework,Thank you !,