1、 Unit 4Amazing ScienceWelcome to the unitmagical 有魔力的有魔力的amazing 令人吃驚的，令人驚異的令人吃驚的，令人驚異的master 掌握，精通掌握，精通 n. 主人主人introduction 介紹，引進(jìn)介紹，引進(jìn)expect 期望，認(rèn)為，預(yù)料期望，認(rèn)為，預(yù)料craft 宇宙飛船，航天飛機(jī)宇宙飛船，航天飛機(jī)mini-world 微型世界微型世界1.圍繞 go around2.為而感動(dòng) be moved by3.一天 one day / some day / the other day4.2003年10月16日的早上 on the morn

2、ing of Oct. 16, 20035.做某事花費(fèi)某人時(shí)間 It takes sb. some time to do sth.They landed on the earth successfully at 4:33 a.m. on October 17, 2005.The spaceship is mainly controlled by computer . (1)Who is the first space traveler of China? (2)Which spaceship did Yang Liwei take? (3)When did Yang Liwei go into

3、 space? (4)How long did Yang Liwei stay there? (5)How many circles did Yang Liwei go around the earth? (6)When did Yang Liwei land on the earth? (7)After the first traveler, who went into space next? (8)Which spaceship did Fei Junlong and Nie Haisheng take? (9)When did Fei Junlong and Nie Haisheng g

4、o into space? (10)How long did Fei Junlong and Nie Haisheng stay there? (11)What was the temperature in Shenzhou ? (12)What are the big plans for exploring space in China? (13)When did Fei Junlong and Nie Haisheng land on the earth? (14)Who is Change? (15)What is Chinas first lunar probe?(1) The spa

5、ceship is mainly controlled by computers. (2) Astronauts use computers to control the speed and the direction of the spaceship, even the temperature. (3) Its important to master computer technology. (4) So I advise you to study harder to make computers serve our lives better.1. Why does the spacesui

6、t become the astronauts own mini-world?2. What are the foods like in the spaceship?3. Why do astronauts add water to dried food before eating it?4. Whats the use of the telescopes?1. Its said that Edison invented more than one thousand things during his life. 據(jù)說(shuō)愛(ài)迪生一生中有一千多項(xiàng)發(fā)明。（1）Its said that 據(jù)說(shuō)。類似用法

7、還有：Its reported that（據(jù)報(bào)道）；its certain that （是一定的）；Its impossible that（是不可能的）；It seems that （看來(lái)，好像）等。如：It is reported that five men were killed in the accident.據(jù)報(bào)道有五千人死于那次事故。It seems that he has missed the plane. 看來(lái)他沒(méi)趕上飛機(jī)。 （2）invent v. 發(fā)明；發(fā)明；invention n. 發(fā)明；發(fā)明；inventor發(fā)明家發(fā)明家 如：如： The greatest invento

8、r, Thomas Edison, invented over one thousand inventions all his life. 最偉大的發(fā)明家，托馬斯最偉大的發(fā)明家，托馬斯. 愛(ài)迪生一生中愛(ài)迪生一生中有有1000多項(xiàng)發(fā)明。多項(xiàng)發(fā)明。 （3）during ones life 某人一生某人一生 如：如： Uncle Wang lived there during his life. 王叔叔一生都住在那兒。王叔叔一生都住在那兒。2. Cloning is an experiment that is famous throughout the world. 克隆在世克隆在世界范圍內(nèi)被認(rèn)為是

9、一項(xiàng)著名的實(shí)驗(yàn)。界范圍內(nèi)被認(rèn)為是一項(xiàng)著名的實(shí)驗(yàn)。 （1）be famous/ be known as 以（身份）而著名 如： Beijing is known as the capital of China, and its also a place of interest. 北京作為中國(guó)首都而著名，它同時(shí)也是一個(gè)旅游的好地方。 （2）experiment n. 實(shí)驗(yàn)。 do an experiment 做實(shí)驗(yàn)，后面常與介詞in, on, with連用。 如： The scientists usually do experiments on animals. 科學(xué)家們通過(guò)動(dòng)物做實(shí)驗(yàn)。3. So

10、 far, scientists have cloned rabbits, sheep, cows, mice, pigs and some other animals. 到目前為止，人們已經(jīng)克隆出了兔子、到目前為止，人們已經(jīng)克隆出了兔子、羊、牛、老鼠、豬及一些其他的動(dòng)物。羊、牛、老鼠、豬及一些其他的動(dòng)物。 so far 到目前為止，迄今，在句中常與現(xiàn)在完成時(shí)到目前為止，迄今，在句中常與現(xiàn)在完成時(shí)態(tài)連用。如：態(tài)連用。如： We havent been to a place which is farther than the moon so far. 迄今為止我們還沒(méi)有到過(guò)比月球更遠(yuǎn)的地方。迄今

11、為止我們還沒(méi)有到過(guò)比月球更遠(yuǎn)的地方。 So far, they have had several important invention. 到目前為止，他們已經(jīng)有了好幾項(xiàng)重要的發(fā)明。到目前為止，他們已經(jīng)有了好幾項(xiàng)重要的發(fā)明。 注意注意sheep的復(fù)述形式仍為的復(fù)述形式仍為sheep；mouse的的復(fù)述形式為復(fù)述形式為mice。4. As you know, there is DNA in most living things, including human beings. 眾所周知，眾所周知，包括人在內(nèi)的大部分生物中都有包括人在內(nèi)的大部分生物中都有DNA。 （1）including prep

12、. 包括包括 如：如： There are twelve of us, including me and Tom. 包括我和湯姆共有包括我和湯姆共有12個(gè)人。個(gè)人。 include v. 包括，使成為一部分包括，使成為一部分 如：如： The team looks strong, especially since Yao Ming has been included. 球隊(duì)看起來(lái)很強(qiáng)大，特別是有姚明加入進(jìn)來(lái)球隊(duì)看起來(lái)很強(qiáng)大，特別是有姚明加入進(jìn)來(lái)以后。以后。 （2）human being n. 可數(shù)名詞，人類，可數(shù)名詞，人類，常用復(fù)數(shù)常用復(fù)數(shù)human beings。可解釋為：。可解釋為：a m

13、an, a woman or a child。而。而man，可，可以作不可數(shù)名詞，指人類。以作不可數(shù)名詞，指人類。 如：如： This is one of the worst diseases known to man. 這是人類已知的最厲害的疾病之一。這是人類已知的最厲害的疾病之一。 human 也指人類。其復(fù)數(shù)形式為也指人類。其復(fù)數(shù)形式為humans。S：老師，：老師，clone“克隆克隆”一詞有動(dòng)詞和名詞兩種詞性，一詞有動(dòng)詞和名詞兩種詞性，那課文那課文Do you know Dolly, the cloned sheep?中中cloned應(yīng)該怎么理解？應(yīng)該怎么理解？T：?jiǎn)柕煤谩＿@個(gè)問(wèn)題我

14、正好要講一講。請(qǐng)同學(xué)們認(rèn)真：?jiǎn)柕煤谩＿@個(gè)問(wèn)題我正好要講一講。請(qǐng)同學(xué)們認(rèn)真聽(tīng)并作好筆記。聽(tīng)并作好筆記。 cloned屬于動(dòng)詞的過(guò)去分詞，作定語(yǔ)修飾名詞。現(xiàn)屬于動(dòng)詞的過(guò)去分詞，作定語(yǔ)修飾名詞。現(xiàn)在分詞和過(guò)去分詞在用法上有相同之處，也有區(qū)別，在分詞和過(guò)去分詞在用法上有相同之處，也有區(qū)別，現(xiàn)在我們比價(jià)一下吧。現(xiàn)在我們比價(jià)一下吧。動(dòng)詞分詞分為現(xiàn)在分詞和過(guò)去分詞，主要區(qū)別表現(xiàn)在動(dòng)詞分詞分為現(xiàn)在分詞和過(guò)去分詞，主要區(qū)別表現(xiàn)在語(yǔ)態(tài)和時(shí)間關(guān)系上。語(yǔ)態(tài)和時(shí)間關(guān)系上。 （1）語(yǔ)態(tài)不同：現(xiàn)在分詞表示主動(dòng)的意思，而過(guò)去）語(yǔ)態(tài)不同：現(xiàn)在分詞表示主動(dòng)的意思，而過(guò)去分詞多由及物動(dòng)詞變來(lái)，表示被動(dòng)的意思。試比較：分詞多由及物動(dòng)詞變來(lái)，表示被動(dòng)的意思。試比較： an exciting story 一個(gè)令人興奮的故事（主動(dòng)）一個(gè)令人興奮的故事（主動(dòng)） excited spectators 激動(dòng)的觀眾（被動(dòng)，即被引激動(dòng)的觀眾（被動(dòng)，即被引起激動(dòng)的）起激動(dòng)的） a moving film 一部動(dòng)人的影片一部動(dòng)人的影片 moved audience 受感動(dòng)的觀眾受感動(dòng)的觀眾 a tiring journey 累人的旅行累人的旅行 a tired football play