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1、Unit 3Leaning about language Discovering useful words and expressionsRevision The text narrates the problem of the snakes and presents the procedures of catching them and applying for a patent, from which we have got a better understanding of how to do scientific researches and how to apply for a pa
2、tent. Whats the main idea of the text?After learning, we know that it usually costs some time and continuous efforts in order to solve some practical problems in a scientific way.Stages in an invention 1. Finding a problem 2. Doing research 3.Thinking a creative solution 4. Testing the solution 5. D
3、eciding on the invention 6. Applying for a patentReplace the underlined parts with words that have the same meaning. 1) The greengrocer at the corner is probably the easiest and nearest to reach. 2) If you want to apply for a credit card, you must provide officially acceptable identification. 3) You
4、 need to approach that animal with great care as it may bite. P23 Exercise2(the most convenient)(valid)(caution)4) She accepts everything during meetings and does not contribute to discussions at all. 5) I found his phone number in the directory and tried to telephone him last night, but there was n
5、o reply. Later I found dialed the wrong. 6) I dont think of my hometown very much, only sometimes. (is passive)(call/ring him up)(now and then)7) Luckily the rainfall stopped suddenly before I felt. 8) In a courtroom it is sometimes difficult to recognize who is innocent and who is guilty. (abruptly
6、)(distinguish)When I first applied for a patent I was very puzzled by the_. I had produced a new type of lily. I was amazed when my application was _ refused. The patent officer dealing with my_ explained to me that a new plant variety is1. Complete the passage using the correct form of the words or
7、 phrase below. file abrupt valid product seize perfume criterion set about P23 Exercise3criteriaabruptlyfile not a _ invention as it is a result of adjusting growth scientifically. However, she suggested that I should produce a _ from my new lily. With her encouragement, I decided to _ the opportuni
8、ty to make a real invention, so I _ my studies on developing my _, for which I hope I will succeed in applying for a patent. validperfumeseizeset aboutproductDiscovering useful structure1. Find and underline the sentences in the reading passage containing the past participle used as the attribute. N
9、ote its position-either before or after the noun?EXAMPLE:but there only seemed to be powders designed to kill snakes.1) I placed the frozen bowl over the snakes habitat2) The next morning I carried in my hand a small net used for catching fish.2. Complete the following sentences by using the past pa
10、rticiple of suitable verbs.understand, beat, disappoints, please, sign, embarrass1.We need another copy of the _ agreement.2.He seemed _ by the failure of his patent.signeddisappointedunderstand, beat, disappoints, please, sign, embarrass3. She tried to make herself _ while giving her talk. 4. I was
11、 _to see our team _ by a weaker team.5. My mother appeared _ with the lanterns she had made. disappointedunderstoodembarrassedtested3. Complete the passage using the correct form of the words below.welcome, develop, design, improve, reject, testIf you want to be an inventor, you must have a plan _ t
12、o solve your problem. This is not as easy as it sounds. Many ideas, _ after weeks of research into the problem, may not prove successful. You need to _ unsuccessful approaches and concentrate on the ones that are creative and original. designeddevelopedreject Each idea _by you will need to be _ unti
13、l leads you closer to a new invention. Once this hard work is completed, you will find your new invention _on all sides.welcomedtestedimproved4. Complete the sentences with objects from the left box and the past participle form of the verbs in the right box.myself her paintings my time your bed room
14、 the play the car sausage some guestsburn tidy perform throw take up display invite start1)We saw_ on TV yesterday.2)He left the lights on overnight and in the morning she couldnt get_ 3)Catherine wants_ in the gallery.the play performedthe car startedher paintings displayed4) Youd better have_ befo
15、re I get home from. Its in a mess.5) I felt_ forward when the bus stopped.6) I wont have _with useless discussion.7) I cannot bear the smell of _on the barbecue.8) The host found _to the party were late because of traffic jams.your courtyard tidiedmyself thrownmy time taken upburnt sausagesome guests invited Do exercises for “using words and expressions” from page 63 to 64.Homework