冀教版九年級英語下冊Lesson10

1、Lesson 10What is DNA?Fill in each blank with the proper word from the brackets:What is _(big) animal in the world?These oranges are _(juice). Please have some.A horse is a _(help) animal.Look! My computer doesnt work. I need _ (repair) it. Does your computer need _ (repair)?5. Would you mind _(open)

2、 the door for me? - No, not all. I have made up my mind _(help) you.6. The boy _(call) Mike was once a thief, but now he _(call) “l(fā)iving Lei Feng”.juicythe biggesthelpfulto repairrepairing/to be repairedopeningto helpcalledis called根據(jù)漢語意思完成句子，每空一詞：我們都叫他小李。 We all _ _ Xiao Li.2. 昨天晚上我和父親同時到家。 My fath

3、er and I got home _ _ _ _ yesterday evening.3. 這個動物的耳朵像兔子的耳朵。 The animals ears _ _ the rabbits.4. 他們把不同的零件放在一起。 They _ these different parts _.5. 我可能會把恐龍和兔子結合起來。 I might _ a dinosaur _ a rabbit. call himat the same timeare/look likeputtogethercombineandThink about it!Do you and the students near you

4、 look the same? What is the same? Are there differences between you and them?What you know “DNA”? What can scientists do with “DNA”?“DNA” is short for deoxyribonucleic acid. di:ksi,raibunju:kli:ik sid DNA is a pattern for your body to build itself.(like a blueprint) The two girls are twins. Maybe th

5、ey have the identical DNA. Zhang Liangying looks like her motherIdentical twins are two children that grew from the same egg. They have identical DNA. Theyre clones!Lets learn the new words藍圖 n.一般意義上的 adj.完全相同的 adj.雙胞胎之一 n.卵細胞 n.克隆 v,n.確認，鑒別 v.不但而且blueprint generallyindentical twineggcloneidentifyno

6、t onlybut alsoListen to the tape and answer”T” or “F”DNA is the pattern for our body uses to build itself. Each living things has its own, unique DNA. From your DNA , scientists can identify you and people related to you. Our bones do not have the same DNA as our skin. All health problems come from

7、our familys DNA. Language notesAre there differences between you and them? 你和他們之間有什么不同嗎?【辨析】：between與amongbetween常用于兩者之間，among一般指三者或三者以上，如果指三個以上的人或物的每兩個之間時，仍然要用between。Switzerland lies between France, Italy, Australia and Germany. 瑞士位于法國，意大利，奧地利及德國之間。They live among the mountains. 他們住在群山之中。I was amo

8、ng the crowd. 我處在人群中。You use it to build a house.你用它來建造房子。use的用法useto do sth. 用做某事He is using a knife to cut bread. =He is using a knife for cutting bread. 他正用小刀切面包。Use your eyes to look and dont use your hands to touch. 用眼睛看而不用手摸。It is no use doing (to do). 做是無用的（無益的）【注意】use的名詞和動詞同形，但要注意兩者的讀音/ju:z/

9、是動詞的讀音，而/ju:s/是名詞的讀音。useful是形容詞，它是由名詞use加后綴-ful構成的。如：Whats the use of this? 這個有什么用途？Is the fridge very useful? 這臺冰箱很有用嗎？DNA is a pattern, too. DNA也是一種模型。too也too表示“也”時通常置于句末，其前用逗號，其后用句號。如：I have seen the film, too. 我也看過那部電影。【辨析】：too與eithertoo與either都表示“也”，其區(qū)別是too用于肯定句，表示“也”；either用于否定句，表示“也不”。他們通常都位于

10、句末，其前用逗號隔開。如：He has a sister, too. 他也有個小妹妹。He doesnt have a knife, either. 他也沒有小刀。Except for identical twins, each living thing has its own unique DAN. 除了每個雙胞胎之外，每個生物都有他唯一的DNA。1)except for除以外，只是He is a good ma except for hot temper. 除了脾氣暴躁外，他是個好人。Your article is quite good except for several spellin

11、g mistakes. 你的文章很好，只是有幾處拼寫錯誤。2)【辨析】：every與eachevery與each都可與單數(shù)名詞連用，且意義相近，表示“每個”，然而every與each并不完全一樣，every強調(diào)整體概念，each則表示個體概念。如果不特別強調(diào)某一意義時，every和each可以互換。如：We want every child to succeed. 我們希望每個孩子都成功。Each child will find his own road to success. 每個孩子都會找到他個人的成功之路。each可以指兩個或兩個以上的人或東西，every卻不能指兩個，只能指三個以上的數(shù)

12、量。如：Each side of the road has some trees. 街道兩邊有許多樹。（不能說every side）另外，如有其它限定詞同時修飾中心詞，each可作代詞用each of的形式，而every則只能用限定詞。如：Each of my parents gave me presents for Christmas. 過圣誕節(jié)是我父母每人都給了我禮物。3)own的用法adj. 自己的（用在所有格后面，加強語氣）She makes all her own clothes. 他所有的衣服都是自己做的。vt. 有；擁有Who owns the bike? 這輛自行車是誰的？【友

13、情提示】：owner n. 所有人；物主He is the owner of the house. 它是這座房子的主人。From your DNA, scientists can identify not only you but also people related to you. 在你的DNA中，科學家們不但能鑒別你，而且也能鑒別和你有關系的人。1)not only but also不但而且，連接兩個相同的成分，也可連接兩個分句。not only but also連接兩個并列主語時，謂語動詞和后面助于保持一致；He likes not only English but also math

14、. 他不僅喜歡英語，而且喜歡數(shù)學。Not only you but also I am a teacher. 不僅你而且我也是一名老師。Not only does he work hard, but also he is very clever. 他不僅工作認真，而且很聰明。2)relate to/ be related to涉及，有關The story related to the Second World War. 故事講的是第二次世界大戰(zhàn)的事情。The story is related to the Second World War.Your composition is quite g

15、ood _a few spelling mistakes. A. except for B. except C. beside D. besides The teacher has given the answers _these questions. A. with B. for C. of D. to Kate hs the _colour of hair _her sister. A. same to B. same as C. identical as D. same with The library opens _9 am to 4 pm during the Spring fest

16、ival Holidays. A. at B. from C. between D. for From your DNA, scientists can identify you and people _to you . A. related B. relates C. relating D. relate Have you sent your parents an e-mail _them you arrive safely? A. tell B. telling C. told D. tells When I got the news that the ship would sink, I

17、 was _frightened _my legs could not move. A. so that B very that C. too that D. too to Find the answer that has the same or similar meaning as the underlined part. Lucy had a good time at the party yesterday evening. A. met a friend B. enjoyed herself C. went shopping D. got a gift Mary has gone out

18、 with her classmate. Shell be back in a minute. A. very soon B. in time C. fast D. quick Excuse me. May I have your name? A. call B. get C. hear D. know Please ring me up when you come back. A. play with me B. write to me C. give me a call D. give a phone Have you heard from him? A. heard of B. got

19、a letter from C. sent for D. heard about Fill in each blank with the proper word from the brackets:1. This is the _(identify) hotel that we stayed in last year.2. The two babies are _(twin).3. June first is _(child) Day.4. Your brothers are people _(relate) to you.5. We should eat _(health) food.6. Do you know who is the _(own) of the house?7. A blueprint is a _(draw).8. Your body uses this pattern to build _(it).9. You have your own DNA, but it repeats the patterns