unit5meetingyourancestorsperiod1warmingup，prereadingreading课件人教版选修8

unit5meetingyourancestorsperiod1warmingup，prereadingreading课件人教版选修8内容摘要：

2． interrupt vt. (2)打断；打扰；插嘴 It39。 s impolite to interrupt。 Don39。 t interrupt me when I speak. 我说话的时候，请不要打岔。 His speech was constantly interrupted by applause. 他的讲话不时被掌声打断。 interrupt sb /sth (with sth) (因某事 )打断某人 /某事 interruption n. 打岔，插嘴；阻断物 He was impatient of any interruption. 他对任何打扰都感到不耐烦。 【 比较网站 】 interrupt/ disturb/bother interrupt 强调 (事情 )中断，打岔。 disturb 较正式用词，多用被动语态。 指扰乱，使人不能平静或妨碍别人工作、思维或正常秩序，是程度较深的烦恼。 bother 指使人烦恼而引起的紧张不安或感到不耐烦。 The war interrupted the trade between the two countries. 战争使两国间的贸易中断了。 They disturb me at all hours of the day and night. 他们日夜不断地打扰我。 Don39。 t bother your father about it now。 he39。 s very tired. 现在别拿这个去打搅你父亲，他很累了。 【 图解助记 】 选用 interrupt/ disturb/bother的适当形式填空 ① Traffic was________by a dense fog. 交通因浓雾而受阻。 ② We do not want________ ________what we have got. 我们不想打乱现有的东西。 ③ You didn39。 t________me. On the contrary, I like your pany. 你没有打扰我，相反地，我喜欢有你作伴。 ④ She________me to ask a question. 她打断我的话，问我一个问题。 答案 ① interrupted ② to disturb ③ bother ④ interrupted Dogs have acute sense of hearing. 狗有敏锐的听觉。 He suffers from acute depression. 他患有严重的抑郁症。 Her judgment is。 3． acute ；敏锐的；严重的；深刻的 an acute angle 锐角 acute disease 急性病 acute sense 敏锐的感觉 acute pain 剧痛 Pneumonia is an acute。 Many people have a rather acute sense of the shortness of each ，就是每个人的生命是短暂的。 A bad tooth may cause acute pain. 一颗坏的牙齿可致急剧的痛。 【 完成句子 】 ① ________ ________ ________almost killed me. 突如其来的剧痛差点要了我的命。 ② She still has very ________ ________， though she is eighty years old. 尽管她已经八十岁了，但她的听觉仍然很灵敏。 ③ Dysentery is a kind of________ ________. 痢疾是一种急性病。 ④ Many of the animals have an________ ________ ________ ________． 许多动物都有敏锐的嗅觉。 答案 ① An acute pain ② acute hearing ③ acute disease ④ acute sense of smell I had assumed him to be a Japanese. 我本以为他是日本人。 It is generally assumed that stress is caused by too much。 He assumed that the package would arrive on time. 他认为包裹会按时寄到。 4． assume vt. 假定；以为 (1)assume sb /sth to be 假定 /假设某人 /某事为 It is/was assumed that... …… 被认为 (2)assuming ( that )． .. 假设 …… assumption n. 假定，假设 make an assumption 认为，假定 I hope to go to college next year， always assuming(that) I pass my exams. 我希望明年上大学，总是认为我能通过考试。 Under this circumstances, we have no choice but to make an assumption. 在这种情况下，我们除了作出一个假设外别无选择。 【 完成句子 】 ① ________ ________ ________ ________liquid water had once flowed on Mars. 据设想，火星上曾有液态水流淌。 ② ________ ________the proposal is accepted, when are we going to get the money? 假如这个建议被采纳了，那么我们什么时候可以得到钱 呢。 ③ I was mistakenly________ ________ ________a Welsh man because of my surname. 由于我的姓的缘故，我被误认为是威尔士人。 ④ A lot of people________ ________ ________that poverty only exists in the Third World. 许多人认为贫困仅仅存在于第三世界。 答案 ① It was assumed that ② Assuming that ③ assumed to be ④ make the assumption (1) vt. 磨快；削尖 Our cat likes to sharpen her claws on the legs of the dining。 My pencil doesn39。 t write well。 I must sharpen it. 我的铅笔不好使；我必须把它削尖。 A workman must sharpen his tools if he is to do his work ，必先利其器。 (2)；变锋利，加剧 The bad condition is sharpening now. 局势更加恶化了。 These delicious dishes sharpened my appetite. 这些可口的菜激起了我的食欲。 5． sharpen sharp adj. 锋利的，锐利的；机灵的；急剧的 sharp adv. …… 整 (用于表示时间的词语后，表示准时 ) sharply adv. 明显地；严厉地 sharpener n. 研磨者，削 …… 的人，研磨工具 The lecture started at three o39。 clock sharp. 讲座于三点整开始。 You must be very careful with this sharp knife. 你用这把锋利的刀子必须很小心。 The global water use rose sharply. 全球用水量急剧增长。 用 sharp的适当形式填空 ① He talked to them very________． ② The________must be Lucy39。 s. ③ The soldiers________up their knives. ④ These scissors are very________． 答案 ① sharply ② sharpener ③ sharpened ④ sharp (1)vi.(水果、谷物等 )变熟，成熟 We are waiting for the first crops to ripen. 我们正等待着第一次农作物的成熟。 Bananas will sweeten as they ripen. 香蕉熟了就会变甜。 The grapes are ripening， and the apple trees are heavy with ，苹果树上结满了果实。 (2)，纯熟 Don39。 t worry. Time will soon ripen. 别着急，时机即将成熟。 Our mere acquaintance ripened into friendship. 6． ripen 我们原本仅是一面之交，现已是朋友了。 (3) …… 成熟；使 …… 纯熟，催熟 The sun ripens。 The ripe tomatoes taste sweet and sour. 成熟的西红柿尝起来又酸又甜。 【 比较网站 】 mature/ripen mature 指生物自然发育成熟或丰满或使其能起正常作用，还可指人获得智慧、经验或变得世故。 ripen 主要指水果、谷物和蔬菜等的成熟，也可引申作 “ 时机成熟 ” 解。 His charact。