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1、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,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
2、有十三亿人口。,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？,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 muc
3、h 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,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,PERIOD 12 考点突破,河北教育版,2 increase v. 增加，增长
4、 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。,PERIOD 12 考点突破,河北教育版,活学活用 1单项
5、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,PERIOD 12 考点突破,河北教育版,3 waste n. is BEighty percent; are CEighty per
6、cents; 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,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 me
7、dicine. 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。,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
8、 English. Aa little ofBa bit of Ca bit Da lot of,D,C,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,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
9、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),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
10、回来),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。,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
11、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,PERIOD 12 考点突破,河北教育版,()(3)David _ China for five years. He likes the food and peop
12、le 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,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
13、 next June，you will finish the study in our school. 到明年六月为止，你就要完成在我们学校的学业了。,PERIOD 12 考点突破,河北教育版,(2) “by 现在时间”多用于现在完成时。例如： I have received eleven Christmas cards by now. 到现在为止，我已经收到十一张圣诞卡片了。 (3) “by 过去时间”多用于过去完成时。例如： By last month, about 10 thousand people had travelled to the beautiful island. 截止到上
14、个月，已经有大约一万人来这个美丽的小岛旅游。,PERIOD 12 考点突破,河北教育版,活学活用 1单项填空 ()They _ about eight hundred English words by the end of last term. Awill learn Bhad learned Care going to learn Dhave learned 2用所给词的适当形式填空 By 5：30 yesterday afternoon he _ (finish)writing the laboratory report.,B,had finished,PERIOD 12 考点突破,河北教
15、育版,3根据汉语意思完成句子(每空一词) 到本月末为止，我们将完成所有的工作。 By the end of this month, we _ _ all the work.,will,finish,PERIOD 12 考点突破,河北教育版,3 The Changjiang River in China is the third longest river in the world. 中国的长江是世界第三长河。 点拨 “the 序数词 最高级”表示“第最”。如表示“第一”，则可以省略序数词first。例如： California is the third largest state in the USA but has the (first) largest population. 加利福尼亚是美国第三大洲，但是人口最多。,PERIOD 12 考点突破,河北教育版,活学活用 1单项填空 ()K2 Mountain is 8,611 metres high. It is the _ mountain in the world. Atwo high Bsecond high Ctwo highest Dsecond highest 2根据汉语
