1、八年级上册外研版（英语）单词热身单词热身 课前导学 noise n.噪声；杂音 prepare v.准备；预备 notes n.（pl.）笔记；随笔 report n.报告；汇报 grow v.增长；增大 huge adj.巨大的；庞大的 cause v.造成；引起 problem n.麻烦；问题 increase n.增大；增长 v.增大；增长 birth n.出生 billion num.十亿 fifth num.第五；五分之一重点句型重点句型1.What is the population of Beijing？北京的人口是多少？2.Im preparing some notes for
2、 a report called“Our growing population”.我正在为一份叫做我们不断增长的人口的报告准备一些笔记。3.Thats almost one fifth of the worlds population,that is,about 7 billion.那几乎是世界人口（约70亿）的五分之一。短语积累短语积累 hang on 稍等 课前导学 课文复现：根据课本Unit1的内容，完成下面的短文。课堂同步 Population increase is(1)_ in many countries.Over 250 babies are born every minute
3、 in the world.That makes over 131.4 million births a year.(2)_ is about 1.37 billion.Thats almost(3)_ of the worlds population,that is,about 7 billion.The big population causes a lot of problems,(4)_too much traffic and noise.But in the future,Chinas population wont grow so fast,because families(5)_
4、.The population of Chinaa big problemone fifthsuch asare getting smaller1.What is the population of Beijing？北京的人口是多少？询问一个地方的人口数量和作相应回答时，可以用以下几种表达（以佛山为例）：(1)How many people are there in Foshan?佛山有多少人口？There are about seven million people.大约有七百万人口。(2)What is the population of Foshan?佛山有多少人口？The popula
5、tion of Foshan is about seven million./Foshan has a population of about seven million.佛山的人口大约为七百万。课文导学2.Im preparing some notes for a report called“Our growing population”.我正在为一份叫做我们不断增长的人口的报告准备一些笔记。（1）prepare A for B为B而准备A如：He is preparing his lessons for the coming test.他正在为即将来临的考试而准备功课。（2）a repor
6、t called“Our growing population”一份叫做我们不断增长的人口的报告called“Our growing population”作定语，修饰前面的名词report。如：a boy called Tom一个叫做汤姆的男孩 课文导学3.Beijing is a huge city with a large population.北京是一个很大的城市，人口众多。（1）“with+n./pron.”结构作后置定语，修饰前面的名词。如：China is a big country with a long history.中国是一个历史悠久的大国。（2）a large popu
7、lation人口众多如：A large population of college-educated students cant find their jobs.大量受过高等教育的学生找不到工作。课文导学4.Do you know how many babies are born every minute in the world?你知道全世界每分钟有多少个婴儿出生吗？how many babies are born every minute in the world在这里作动词know的宾语，是一个宾语从句。如：Do you know how many students there are
8、in my class?你知道我的班上有多少学生吗？课文导学5.That makes over 131.4 million births a year.那就意味着每年有超过1.314亿人出生。（1）131.4 million的阿拉伯数字形式是 131,400,000，读作one hundred and thirty one million,four hundred thousand。（2）注意英语中大的数字的表达，从右往左数，每三位数加一个逗号，第一个“，”前的数字后添加thousand,第二个“，”前的数字后添加million，第三个“，”前的数字后添加billion。如：1,300,000
9、,000（十三亿）one billion three hundred million 课文导学6.Thats almost one fifth of the worlds population,that is,about 7 billion.那几乎是世界人口（约70亿）的五分之一。one fifth 五分之一（1）英语的分数通常用“基数词+序数词”表示，其中分子用基数词表示，分母用序数词表示，如果分子大于1，分母要用复数形式。如：You can have one fourth of the money.你可以拿这些钱的四分之一。Two fifths of the students are fr
10、om the north.五分之二的学生是北方人。课文导学（2）分数作主语时，如果后面接复数名词，谓语动词用复数形式；如果后面接不可数名词，谓语动词用单数形式。如：Three fifths of the students in our class are from Foshan.我们班五分之三的学生是佛山人。One fourth of the food is bad,but three fourths of the food is fresh.四分之一的食物坏了，但四分之三的食物还是新鲜的。课文导学7.Hang on a minute!Ill write that down too！等等，我要
11、把这点也记下来！（1）hang on a minute=wait a minute等一下；请稍等如：Hang on!Ill be back in a minute.稍等！我马上就回来。Sally is on the other phone.Would you please hang on?萨莉在接另一个电话，请您稍等一下可以吗？（2）write down意为“写下，记下”，如果以人称代词作宾语，则宾语要放在短语中间。如：Please write it down on the paper.请把它写在纸上。课文导学【即学即练】完成句子。1.南京的人口是多少？_ _ _of Nanjing?2.我们在为明天的野餐准备食物。We _ _ _ _ tomorrows picnic.3.十一分之三的同学是来自广东的。_ _ _ _ _ are from Guangdong.4.请稍等!我就来了_ _ _!I am coming.课文导学Whats the populationThree elevenths of the students are preparing food forPlease hang on
