八年级下册Units7-8ppt课件-冀教版

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,.,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,二级,三级,四级,五级,.,*,2012版中考一轮复习精品课件,冀教版,含2011中考真题,八年级下册Units7-8,1,.,2012版中考一轮复习精品课件1.,PERIOD 12,考点突破,河北教育版,词汇点睛,考点突破,1,population,n,.人口,点拨 population有以下用法：,(1)population表示人口，是集合名词，谓语动词多用单数；表示有多少人口时，一般说,has a population of,或the population of,is,例如：,China has a population of about 1.3 billion.,The population of China is about 1.3 billion.,中国大约有十三亿人口。,2,.,PERIOD 12 考点突破河北教育版词汇点睛考点突破,PERIOD 12,考点突破,河北教育版,(2)表示人口“多”或“少”多用large/big或small修饰。例如：,Singapore has a small population.,新加坡人口很少。,(3)提问人口多少用疑问词what。例如：,Whats the population of your city?,你所在的城市人口是多少？,3,.,PERIOD 12 考点突破河北教育版 (2)表,PERIOD 12,考点突破,河北教育版,活学活用,1单项填空,()(1)Do you know the population of Singapore,is _ that of Yangzhou?,Aas many asBas much as,Cas large as Das few as,()(2),2010绥化,Do you know _ the,population of the world is,Dad?,I think its about 6.5 billion.,Awhat Bhow much,Chow many,C,A,4,.,PERIOD 12 考点突破河北教育版 活学活用CA4,PERIOD 12,考点突破,河北教育版,2根据汉语意思完成句子(每空一词),保定的人口有一千多万。,The _ _Baoding _ more,than ten million.,population,of,is,5,.,PERIOD 12 考点突破河北教育版2根据汉语意思,PERIOD 12,考点突破,河北教育版,2,increase,v,.增加，增长,搭配 increase by,意为“增加了”，指增加的幅度；increase to,意为“增加到”，指增长后的总数量。例如：,The number of girl students in this village school increased by 30%last year.,去年这所乡村学校的女生人数增长了30%。,The highest temperature in some cities has increased to over 40 degrees these days.,这几天有些城市的最高温度已经升到了40多度。,6,.,PERIOD 12 考点突破河北教育版 2 in,PERIOD 12,考点突破,河北教育版,活学活用,1单项填空,()The price of this kind of camera was$1,000,last month,but now it increases _,$1,200.It has increased _ 20%.,Aby;forBto;on,Cby;to Dto;by,2根据汉语意思完成句子(每空一词),这里的人口增加了十分之一。,The population here has _ _one,tenth.,D,increased,by,7,.,PERIOD 12 考点突破河北教育版活学活用Dinc,PERIOD 12,考点突破,河北教育版,3,waste,n,.&,v,.浪费,点拨(1)waste既可作名词又可作动词，意为“浪费”。例如：,Doing such a job is a waste of his talents.,做这种工作是在浪费他的才能。,You cant waste your time any more.,你不能再浪费时间了。,(2)waste作名词还有“垃圾，废物”的意思，相当于rubbish/litter/garbage。,(3)waste还可作形容词，意为“废弃的”。例如：,waste paper 废纸,8,.,PERIOD 12 考点突破河北教育版 3 wast,PERIOD 12,考点突破,河北教育版,活学活用,1单项填空,()Mom often tells me _ every drop of,water.,AwasteBto waste,Cnot to waste Dnot to save,2根据汉语意思完成句子(每空一词),买这么多东西是在浪费钱。,Buying so many things is _ _,_ money.,C,a,waste,of,9,.,PERIOD 12 考点突破河北教育版活学活用Cawa,PERIOD 12,考点突破,河北教育版,4,twenty percent 百分之二十,点拨 percent与数字搭配时不加s。“数字 percent”修饰名词作主语的时候，谓语动词的单复数取决于percent 后的名词。例如：,Sixty percent of our town is covered with forest.,我们镇的森林覆盖率是百分之六十。,10,.,PERIOD 12 考点突破河北教育版 4 twen,PERIOD 12,考点突破,河北教育版,活学活用,1单项填空,()_ of the money _ used to build,schools and libraries.,AEighty percent;is,BEighty percent;are,CEighty percents;is,DEighty percents;are,2根据汉语意思完成句子(每空一词),我们班30%的学生是团员。,_ _of the students in my class,_ League members.,A,Thirty,percent,are,11,.,PERIOD 12 考点突破河北教育版活学活用AThi,PERIOD 12,考点突破,河北教育版,5,a bit of 一点儿,辨析 a bit of和a bit,二者都有“一点儿”的意思。,a bit of也可写成bits of，修饰不可数名词；a bit修饰形容词和副词及其比较级。二者都等于a little。例如：,I need a bit of water to take medicine.,我需要一点儿水来吃药。,Her mother feels a bit/a little better today.,她母亲今天感觉好一些。,12,.,PERIOD 12 考点突破河北教育版 5 a bi,PERIOD 12,考点突破,河北教育版,活学活用,1单项填空,()(1)Its _ cold today.,Yes.Youd better have _ hot tea.,Aa little;a bit,Ba bit of;a little,Ca bit of;a bit,Da bit;a bit of,()(2)After working hard for several months,I,am _ better at my English.,Aa little ofBa bit of,Ca bit Da lot of,D,C,13,.,PERIOD 12 考点突破河北教育版活学活用DC13,PERIOD 12,考点突破,河北教育版,2根据汉语意思完成句子(每空一词),我在进行演讲时有点紧张。,I was _ _nervous when I was,giving a talk.,a,bit/little,14,.,PERIOD 12 考点突破河北教育版2根据汉语意思,PERIOD 12,考点突破,河北教育版,句型透视,1,Have you ever been to other countries in Asia?,你曾经去过亚洲其他的国家吗？,辨析 have been to，have gone to和have been in,三者均可接地点。,(1)have been to表示“去过某地”，它强调一种经历，已经返回。常与ever,just,never,before等词连用，也可与once,twice等表示次数的词连用。例如：,He has been to Paris three times.他去过巴黎三次。,(他已经返回，不在巴黎),15,.,PERIOD 12 考点突破河北教育版 句型透视,PERIOD 12,考点突破,河北教育版,(2)have gone to表示到某地去了，强调说话的当时去某地的人不在场，且have gone to的主语大多是第三人称。例如：,The children have gone to the park.,孩子们到公园去了。(孩子们去了公园，没回来),16,.,PERIOD 12 考点突破河北教育版 (2),PERIOD 12,考点突破,河北教育版,(3)have been in意为“在某地待了多长时间”，常与表示一段时间的状语连用。例如：,His parents have been in South Africa for three months.,他的父母已经在南非待了三个月了。(for three months表示一段时间),提醒这几个短语后面如果接地点副词here，there，home，abroad等时，则去掉介词to。,17,.,PERIOD 12 考点突破河北教育版 (3),PERIOD 12,考点突破,河北教育版,活学活用,1单项填空,()(1),2010泰州,How well do you know about,the Opera House?,I know the place very well,I _,Sydney many times.,Ahave been inBhave been to,Chave gone to Dhave arrived in,()(2),2011福州,Where is Ben?,He _ to the teachers office.He,will be back soon.,AgoBhas goneChas been,B,B,18,.,PERIOD 12 考点突破河北教育版 活学活用BB1,PERIOD 12,考点突破,河北教育版,()(3)David _ China for five years.He,likes the food and people here.,Ahas been toBhas gone to,Chas been in Dhas gone in,2根据汉语意思完成句子(每空一词),他们去过森林并安全返回了。,They _ _ _ the forest and,returned safely.,C,have,been,to,19,.,PERIOD 12 考点突破河北教育版()(3),PERIOD 12,考点突破,河北教育版,2,By 2050,there will be 9.1 billion people.,截止到2050年，将会有91亿人口。,点拨“by 时间”意为“到为止，不迟于”。根据时间的不同，时态也不同。,(1)“by 将来时间”多用于一般将来时。例如：,By next June，you will finish the s