Step 2 Language points (Learn and use) 1. bark: n.[C] 树皮，吠声 vt. / vi. 吠，咆哮，剥树皮 ～ at 对……叫，斥责 ～ out 咆哮地说，吼出 Don’t take the ～ off the tree. 不要剥树皮。 The dog ～ed at the strange man. 这条狗对着陌生人叫。 ～ing
dogs seldom bite. 爱叫的狗不咬人。 （真人不露相。 ） The officer ～ed out his orders. 军官们严厉而威胁地发出命令。 2. The first trials of this medicine took place in 1899 when the company Hoffmann worked for began giving the medicine in powder form to physicians to use with patients. Lines13-15 trial (n.) ---try (v.): a test to see if something is effective or someone is suitable In the one-year trial, you must work hard and prove your ability. 1) Clinical trials should be done before a new drug can be put into use. 2) The first trial flight has been a great success. 3) They let me have the computer on trial for three months. 4) It was by/through trial and error that I learnt most of what I know about gardening. 3. …one of which introduced the idea in 1953 that aspirin could reduce the risk of heart attacks by thinning blood. Lines22-24 1) Add more water to the mixture to thin it. 2) War and disease are the two main causes of thinning population. 3) slow narrow calm warm dry dirty better lower (1) The train ____ down to half its speed. (2) The river ______ at the point. (3) I couldn’t _____ her. (4) Please ______ the milk. (5) Nothing ______ sooner than a tear. (6) Don’t ______ your hands, children. (7) He ______ his voice not to wake her. 4. …and in 1977, a study carried out in the USA showed that the chemical ASA in aspirin could prevent a stroke. Lines26-27 1) Chinese astronauts ____________the mission in space exploration successfully. 2) Once a plan is made, it should __________ no matter how difficult it is. carry out; carry away; carry on; carry through; carry off They are ___________ urgent repairs. Marsha got so __________ when arguing with her husband that she hit him. Jean _________ all the prizes. Even after the music started they __________ talking. His strong determination ______ him ________ his illness. 5. block: vt. 妨碍，阻塞 The crowed ～ed the street. Her father ～ed her plan to study abroad. n. 木块；石块； ；块；街区 a road ～ 路障 a ～ of wood / stone 木块； （石块） an office ～ 办公大楼 The post office is two ～s away. 邮局在前面两条街的地方。 6. …that ASA could reduce the risk of colon cancer by 40 per cent. Lines29-30 Eating a lot of green food helps ________________________ .
If you tell me the truth, you will ________________________. By criticizing the boss he risked _______ his job. (lose) You have to take/run a lot of risks if you want to succeed in business. Anyone swimming in this lake does so at his own risk. The disease is spreading and all young children are at risk. 7. length: n. 长度；长； ～ of 一根；一段 at ～ 最后；终于；充分地；详细地 at full ～ 伸展全身 in ～ 在长度上 a ～ of rope 一根绳子 a ～ of cloth 一段布 a ～ (depth) of + 数词： 长度 / 深度…… a ～ of 15 meters 上 15 米 a depth of 1,000 meters 河流深 1000 米 It’s 2,010 kilometers long. == It’s 2,010 kilometers in length. 它长 2010 千米。 拓展：long: adj. 长的；长期的； vi: 渴望；热望；adv. 长期的，始终 8. He noted that mould had grown on a special transparent jelly that had bacteria on it. Lines38-39 1) Please note that this shop will be closed on Sundays. 2) He keeps a diary to note what happens to him. Guess the meaning of “note (n.)” . 1) We should also read the notes on the text at the back of the book. 2) He took another look and found it was a 10-pound note. 3) We always take notes in class. 4) At first I was going to write Kathy a note, but then I decided to call her instead. 5) Lily has a nice voice but she had trouble hitting the high notes. 9. …this application might help in treating wounds and illnesses caused by bacteria. Lines 43-44 1) Genetic engineering has many applications in agriculture. 2) Our university welcomes applications from overseas students. Fill in the blanks. 1) Scientific discoveries are often applied _____ industrial processes. 2) I want to apply _____ the boss ___ this task. use; usage; application 1)The ________ of new scientific discoveries to industrial processes often makes jobs easier to do. 2) He has developed a number of _______ software. 3) She put her knowledge of German to good ____. 4) I want to write a book on modern English ______. 10. name: vt. 命名；提名；叫出；指定 They ～d the boy Jim. 他们为婴儿取名为吉姆。 Can you ～ all the plants and trees in this garden? 你能叫出花园里所有花草树木的名称吗？ We ～d him chairman. == We ～d him as (for) chairman. 我们任命他为主席。 n. 名字；姓名；名誉 ～d : adj. 指定的 ～ date 指定的日期 ～ly: adv. 即；也就是
～less: adj. 无名的；匿名的；难以形容的 ～ after 按……命名 name it 讲出来 by the ～ of …… == ～d …… 以……名字 by ～ 名叫；凭名；用名 make a ～ 出名；成名 to one’s ～ 属于自己 under the ～ of …… 用……名字 first ～ 名 last ～ 姓 in the ～ of 以…… 名义 11. However, it was not until World War II that two other scientists managed to use new chemical techniques to purify it. Lines46-48 1) However, not until World War II did two other scientists manage to use new chemical techniques to purify it. 2) However, two other scientists did not manage to use new chemical techniques to purify it until World War II. 12. They were able to produce it in large quantities. Lines48-49 Buy vegetables _____________, and you’ll be given a very good discount. When young at college, dad bought books ______________, for life was too hard. large quantities of + n. + predicate. (pl.) small quantities of + n. + predicate. (pl.) 13. …so mass production started quickly. Lines49-50 The new policy raised a storm of mass protests. The sun makes up about 99% of the mass of solar system. The trains provided cheap travel for the masses. Stored in the computer is a huge mass of data. 14. Due to the widespread use of penicillin, many lives were saved during World War II. Lines 50-51 The flight will arrive late due to the heave fog. When is the next train due? Please let me know when the rent is due in advance. The strike is due to begin on Tuesday. 15. It was a dream come true. Line 51 Young people look up to Yang Liwei as an example of a man who managed to live his dream. John always lives in a dream. Meeting the princess was (like) a dream come true. 16. …it was over a decade before someone else turned penicillin into the great drug of the 20th century. Lines 54-56 It was several hours before we reached the village. It will be a long time before we meet again. It won’t be long before you succeed.