1、【预讲练结】人教版选修八 Unit 5 Meeting your ancestors 预习 学点整合1. interrupt vt. 中断; 打岔；插嘴Im sorry to interrupt you but how could they live here?对不起，打断了你的讲话。请问他们怎么能够住在这个地方呢？(P38)1) 市内交通被暴风雪所阻断。Traffic in the city _. 2)下雨中断了我们的棒球比赛。_3) 在别人讲话时插嘴是不礼貌的。It is rude _when they are talking. 4) The announcer _ the radio m
2、usic to make a special announcement.A. broke B. interrupted C. paused D. cut 2. assume vt.假定，设想 regardless of 不管，不顾So we think it reasonable to assume they lived in these caves, regardless of the cold. 因此，我们有理由认为他们不顾严寒，就住在这些洞穴里。(P38)1) Scientists assume that there is no life on Mars._2) 他并非你所以为的那样愚蠢
3、。Hes not such a fool _.3) He says what he thinks, regardless of other peoples feelings._4) 不顾危险，他爬上了塔。_, he climbed the tower. 5) _ the warning message, more deaths would have been caused in the village in the earthquake.A. Regardless of B. Instead of C. But for D. Except for6) _ we make 5000 yuan e
4、very month, it wont take long for us to pay off the debt.A. Giving that B. Assume that C. Assuming that D. Given that 3. sharpen vt. 磨快;尖锐;清晰It seems that they might have used sharpened stone tools to cut up the animals and re-move their skin. 看样子他们用磨尖的石器来切割野兽并剥皮。(P38)1)我的铅笔需要削了。_2) 当他不耐烦时，他的声音变得尖锐起
5、来。_as he became impatient. 3) The picture sharpened as he adjusted the film-projector._4) Well have to _the well if we want more waterA. enlarge B. widen C. deepen D. sharpen4. somehow adv.以某种方式，不知怎么地Somehow he cycled thirty miles to Dr. Black because there was no alternative means of transport. 他想方
6、设法，骑了 30 公里到布莱克博士那里，因为那是没有别的交通工具。(P40)1) 我认为不管怎么着我们都可以处理它。I think we can _.2) 他们会试图把我们阻挡在外，但我们会设法进去。They will try to keep us out, _. 3)不知怎么的他怕她。_4) I must get the work done _, for tomorrow is the deadline.A. somehow B. at first C. immediately D. finally 5. applaud vt. 阻止;吸引（注意）She had almost reached
7、 her destination when a delicious smell arrested her progress and she stopped. 快到目的地的时候，一阵香气扑鼻，她不往前走了，停了下来。(P43)1) 警察逮捕了小偷。_2) Poor food arrests the natural growth of children._3) 花的鲜艳色彩引起苏珊的注意。The bright colors of the flowers_.4) .A black woman _ for refusing to stand up for a white man on a bus, w
8、hich led to a demonstration.A. got to arrest B. was to arrest C. had arrested D. got arrested 7. keep sb warm 使某人保持温暖That would have kept them warm，cooked the food and scared wild animals away as well.那会让他们取暖、做饭，还可以用火来吓跑野兽。 (P38)keep them warm 为“keep +宾语+宾语补足语”的结构，意为“使处于某种状态 (情况）”。用做宾语补足语常见的词有现在分词、过
9、去分词、形容词、副词以及介词短语。1) 他让我等了半个小时。He _ for half an hour. 2) 闭上嘴，睁开眼。_3) 医生们试图使病人镇静。Doctors attempted to_.4) The doctor kept me in for a week. _5) Newspapers can keep us _ about what is happening in the world. A. informingB. informedC. being informedD. to inform8. at (the) most 最多；最大Its at most three cen
10、timeters long.它最多三厘米长。(P38)1) 我们最多能停留两天。We can stay for _. 2) 我们最多等他十分钟。_ 3) 她最多跑了两英里。_易混辨析at most / at least at (the) most 最多；最大at least 至少，最少4) The boy is _ five years old. But even now he cant walk by himself. A. at most B. at least C. at last D. at first9. look ahead 向前看，为将来打算If only she had loo
11、ked ahead and planned better this year. 她今年要是早有预见，计划得更好些就好了。(P43)1) 我们应该为将来打算并且做好计划。_2) Im trying to look ahead at what might happen and be ready to handle it._3) Dont sit around feeling sorry for yourself. Be optimistic and _.A. look at B. look forward C. look ahead D. look behind 10. We have been
12、excavating layers of ash almost six meters thick, which suggests that they might have kept the fire burning all winter.我们一直在挖掘一层层的积灰，几乎有六米厚，这意味着他们可能整个冬天都在烧火。(P38)“have been excavating”是现在完成进行时，表示动作从过去开始一直延续到现在，并且很可能还要进行下去，它强调动作的继续。1) 我找丢失的那本书已经三天了，但还是没找着。I _for three days, but I still havent found i
13、t.2) 电话响了快一分钟了。为什么没人接？The telephone _. Why doesnt someone answer it? 3) 他们谈了一个小时了。_4) 她在那家公司工作了三年。_5) In order to find the missing child , they _all they can over the past five hours.A. did B. do C. had done D. have been doing自主检测.品句填词1. Because there is no food, the people are_(饿死).2. Please do not
14、_ (打断）me when I m talking.3. The_ (重要意义)for students of doing a part-time job means more than money .4. _ (假设）that it rains, what shall we do?5. You should have the new pencil_ (削尖)or you cant use it.6. I have just learned that the murderer has been_ (逮捕). 7. The students_ (鼓掌欢迎)the boy students cle
15、ver answer. 8. In that situation, we had no_ (选择)but to fight.9. The botanical_ (分析) have showed us that it used to be a lake.10. _ (不知怎么地）the right chance never seemed to present itself. .短语运用be worried about, cutup, date back, be fed up with, be patient with1. As a teacher, you should_ your studen
16、ts.2.Ted Robinson _ his pet dog all the week.3. I _ talking to you. You never listen to me.4. This building _ the 17th century is very beautiful.5. The cut the tree down and _ it _ for firewood.翻译句子1. 我们不顾恶劣的天气，继续在地里干活。（regardless of）2.我们最好多穿些衣服保暖。（keep warm）3.没能考上他梦想的大学，他情绪低落。（in low spirits）4.我要是能
17、买得起属于自己的房子就好了。（if only）5.At the beginning of the new year, she began to look ahead and make a long-term plan.参考答案学点整合1. 1) was interrupted by a snowstorm 2) Rain interrupted our baseball game. 3) to interrupt others 4) B2. 1) 科学家们认为火星上没有生命。2) as you assumed him to be 3) 他怎么想就怎么说，不考虑别人的情绪。4) Regardle
18、ss of danger5)C6) D3. 1) My pencil needs sharpening.2) Her voice sharpened3) 当他调整了投影仪后画面清晰了。4) C4. 1) manage it somehow2) but we shall get in somehow3) Somehow he was afraid of her. 4) A5. 1) the audience applauded2) 称赞3) 附近的居民们一致赞成市政委员会关于关闭这座小印染厂的决定。4) D6. 1) The policeman arrested the thief. 2) 粗劣
19、食物妨碍儿童的自然成长。3) arrested Susans attention 4) D7. 1) kept me waiting2) Keep your mouth shut and your eyes open.3) keep the patient calm4) 医生让我在家里待了一周。 5) B8. 1) two days at most2) We will wait for him for ten minutes at the most.3) She ran two miles at most. 4) B9. 1) We should look ahead and plan wel
20、l.2) 我正努力向前看会发生什么事并准备好如何处理它。3) C10. 1) have been looking for my lost book2) has been ringing for almost a minute3) They have been talking for the last hour.4) She has been working at that company for three years.5) D自主检测.品句填词1. starvation 2. interrupt 3. significance 4. Assume 5. sharpened 6. arrest
21、ed 7. applauded 8. choice 9. analysis 10. Somehow.短语运用1. be patient with 2. was worried about 3. am fed up with 4. dating back 5. cut, up.翻译句子1.We went on working in the field _ of the terrible weather.2.Wed better wear more clothes to keep warm.3. Failing to be admitted to his dream university, he was in low spirits.4. If only I could buy a house of my own.5. 新年伊始，她开始为将来设想，制定长期工作计划。
