1、Unit3,Word Power,Made by Lindayang,Welcome to my class,-I _ it,but I like playing football.,like,likely,unlike,dislike,1. -I like playing basketball?How about you?,(It is _ to live in.),comfort,discomfort,uncomfortable,comfortable,2. The room is big and clean.So can you find a word to describe(描述） i
2、t?,disagree,agree,agreement,disagreement,3. I want to go fishing on Sunday.Do you agree with me？,Im busy,so I_with you.),Do you want to enlarge your vocabulary ?,Do you want to enlarge your vocabulary easily?,Prefix and suffix,independence,in,depend,ence,Prefix 前缀,Root 词根,Suffix 后缀,Prefix : a letter
3、 or a group of letters that is added to the beginning of a word to change its meaning .前缀改变词义,Suffix :a letter or a group of letters that is added to the end of a word to make a different word.后缀改变词性,n,v,Find the suitable prefix and suffix according to the meaning,anti-,dis-,in- il- im- ir-,反，抗,不，非,
4、不，没有,pre-,re-,un-,预先，在.之前,重新，再,不，非,-able,-ful,-ist,-less,-ment,-ness,-ure,-ance,-ment,-ion,-ation,-ence,Sometimes you can guess what a word means by looking at its prefix or suffix. Look at the following words and work out the meanings.,Play a game,The rule of the game:,Whoever stands up quickly wil
5、l get the chance to answer one question. 最快站立的学生获得答题机会。,答题思路：prefix suffix fix安装 fix安装 pre-预先,在.之前 suf-在.之后 prefix前缀 suffix后缀,anti-Japanese,1.,2.,anti-cloning,3.,dislike,抗日的,反对克隆,不喜欢,4.,impossible,不可能的,impolite,5.,不礼貌的,6.,incorrect,不正确的,Group One,independent,7.,独立的,8.,illegal,非法的,Group Two,illogical
6、,9.,不合逻辑的,unimportant,10.,irregular,不重要的,不规则的,12.,unhappy,不快乐的,11.,prepay,13.,14.,reread,15.,comfortable,预付,重读,舒适的,16.,suitable,合适的,Group Three,artist,17.,homeless,无家可归的,18.,艺术家,careless,19.,粗心的,20.,thankful,满怀感激的,Group Four,21.,government,政府,22.,illness,疾病,23.,hopeful,满怀希望的,24.,rename,重命名,25,kindne
7、ss,仁慈 好意,summary,Prefix:,Suffix:,anti- dis- in- il- im- ir- un-,pre-,-less,-able -ful,re-,-ness,表否定的后缀,形容词后缀,表否定的前缀,预先,在.之前,重新,再,名词后缀,-ment,-ist,反，抗,不，非,不，没有,不，非,不，没有,能够.的,充满.的,-ure -ence -ance -ion -ation,Some other prefixes that are used widely in English.,automaker automobile,downhill downstairs
8、downwards,everlasting evergreen evermore,halfway, half-baked, half-pay,hand-made, hand-picked,overeat , oversleep, overwork,Suffixes that are commonly used are as follows.,Class Test,Add the suitable prefix and suffix,1.我不喜欢粗心且没礼貌的学生。,I _like the care_and_polite students,2.我们的政府对那些反对克隆的人满怀感激。,Our go
9、vern_is thank_to those _-cloning people.,3.我不认为这前缀又不规则又不重要。,I dont think the _fix is_regular and_important.,4.这位科学家由于他生病了没找到合适的基因,The scient_didnt find suit_ gene because of his ill,5.尽管这些句子不合逻辑但并不是不正确，所以我们必须再读他们,The sentences are_logical but not _correct,so we must _read them.,dis,less,im,ment,ful,
10、anti,pre,ir,un,ist,able,il,in,re,_,ness,I am strongly against cloning humans .I think it is _(responsible) for us to do that .People who want to clone human beings show their _(respect )for nature. They are hardly aware of the _(harm) effects of cloning humans .It is _(certain) what a cloned human b
11、eing would 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 _(legal).,Use the correct form of the words,irresponsible,disrespect,harmful,uncertain,illegal,Homework,1.完成系统集成word power练习。 2.Try to remember as many words and expressions about prefixes and suffixes.,Thank you,
