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1、7B Unit 4 知识梳理一四会单词1.yesterday (adv.) 昨天 2. bright (adj.) 明亮的 3.travel (vi.) 旅行 4. earth (n.) 地球 5.moon (n.) 月亮 6.elephant (n.) 大象 7. plant (n.) 植物 8.without (prep.) 没有 9.lightning (n.) 闪电 10.strange (adj.) 奇怪的 11.usual (adj.) 寻常的 12. hear (vt. /vi.) 听见13.whisper (n.) 低语 14.bush (n.) 灌木丛 15.unusual
2、(adj.) 不寻常的 16.frightened (adj.) 感到恐惧的 17.anybody (pron.) 任何人 18.nobody (pron.) 没有人 19.carefully (adv.) 仔细地 20.noise (n.) 声音，嗓音 21.happen (vi.) 发生 22.everything (pron.) 每件事，一切 23.search (vi. /vt.) 搜寻 24.himself (pron.) 他自己 25.weak (adj.) 虚弱的 26.later 以后 (adv.) 27.following (adj.) 接下来的 28.soft (adj.)
3、 柔软的 29.last (adj.) 最后的 30.reporter (n.) 记者 31. crazy (adj.) 着迷的， 狂热的 32.kick (vt.) 踢 33.stone (n.) 石头 34.dislike (vt.) 讨厌， 不喜欢 35.few (pron. /adj.) 少数的，少数 36.practise (vt. /vi.) 练习37.early (adv. /adj.) 早，早的 38.hard-working (adj.) 勤勉的 39.guide (n.) 导游，指南 40.introduction (n.) 介绍41.pity (n) 遗憾，可惜 42.
4、die (vi.) 死亡 43.excited (adj.) 兴奋的 44. appear (vi. 出现 45.however (adv.)但是 46.weigh (vi.) 称重 47.grass (n.) 草 48.lay (vt.) 下蛋，产卵 49.baby (n.) 婴儿 50.remember (vt.)记住 51.word (n.) 单词 52.second (n.) 秒 53.weight (n.) 重量 54.decide (vt. /vi.) 决定 55.name ( vt.) 命名 56.invent (vt.) 发明 57.star (n.) 明星，恒星 58.his
5、tory(n.历史 词形转换1. weigh vi. n. weight 2. lay vt. laid laid3.baby n. babies 4.decide vt.vi. n. decision5.scarf n. pl. scarves 6.dish n. (pl. dishes)7.wake v. woke woken 8.sandwich n. pl. sandwiches9.invent vt. n. inventor invention 10.amazing adj. amazed11.travel vi. travelling travelled 12.with prep
6、without13.strange adj. n. stranger 14.usual adj. unusal15.hear vt.vi. heard heard 16.bush n. pl. bushes17.care vadj. careful, carefully careless 18.noise nadj. noisy19.weak adj. strong 20.follow v. following21.report v. n. reporter 22.dislike vt. hate23.introduce v. n. introduction 24.die vi. n. dea
7、th adj.dead25.excited adj. exciting 26.appear vi. disappear27. science n. scientist 二、重点短语1.over = more than 多于，超过 2. the history of China 中国历史3. a piece of /two pieces of 一张/两张4. decide to do sth= make up ones mind to do sth 决定做某事 make a decision 做决定5. the weight of 的重量6. remember to do sth 记住做某事 r
8、emember doing sth 记得做过某事7. two days ago 俩天前 8. a hard-working student 一个勤奋的学生 9. wake sb up 叫醒某人 10. dislike/hate doing sth 不喜欢做某事11.be fond of doing sth 喜欢做某事 12.practise doing sth 练习做某事13. be crazy about doing sth 对做很着迷 14. the following day 第二天15.take care of /look after 照顾16. happen= take place
9、发生 sth happen to sb 某事发生在某人身上 happen to do sth 碰巧做某事17. on ones way to 在去的路上 by the way 顺便问一下 on ones way to school在某人去上学的路上 on ones way home 在某人回家的路上18. keep ones eyes open 使某人的眼睛睁着19. at the same time 在同时 at times= some times= from time to time 有时20. notany more/longer =no more /longer 不再21.take p
10、hotos /pictures 拍照片 22. live up to 活到23.Thank you for doing sth 谢谢你做某事 24.during ones life 在某人一生中25. keep on doing sth 一直做某事 26. be frightened ofdoing 害怕/做某事27. run away quickly 很快跑走了 run after 追赶 run out 用完，耗尽28. say to oneself 自言自语 think to oneself 29. show sb sth/show sth to sb 把某物给某人看 show sb. a
11、round 带领某人参观30. have a great time= enjoy oneself = have fun玩得很开心31. by rocket乘火箭 32.as usual像往常一样 33.at birth 在出生时 34.be frightened = be afraid害怕35.turn around 转过来 36.run into sb.= meet sb. 巧遇某人 37.be poisonous有毒38. be full of = be filled with充满；装满 39walk on tiptoe 用脚尖走 40 look after sb. well = take
12、 good care of sb. 好好照 顾某人 41.the following/next Sunday (之前不放介词) 下个周日 42.be fond of music爱好音乐be fond of listening to music爱好听音乐43.it sounds/sounded like 听上去像 44.practise doing sth 练习做某事45.take turns to do sth 轮流做某事 46.fact sheet 资料单 47return sth to sb = give sth. back to sb. 把某物还给某人48.key ring 钥匙扣 49
13、.the weight of an elephant大象的体重50.belong to sb. (sb用宾格) 属于某人 51.live up to 150 years一直活150年二、重点句子及句型：1.Do you know that fish sleep with their eyes open?你知道吗鱼是睁着眼睛睡觉的？2.You cannot sneeze and keep your eyes open at the same time.你做不到在打喷嚏的同时睁着眼睛。3.Theres no plant life without lightning.没有闪电就没有植物的生命。4.I
14、s anybody there?有人在那里吗？5.Millie told Andy everything.米莉把一切都告诉了安迪。6.They were still frightened.他们仍然感到害怕。7.They were surprised to see the “ghost”.他们很惊讶看到这个“鬼”.8.They were not afraid of animals any more.他们再也不害怕动物了。9.Simon is crazy about football.西蒙对足球很狂热。10.Sandy is fond of music.桑迪喜欢音乐。11.There were v
15、ery few foods that Millie dislikes.几乎没有米莉不喜欢的食物。12.What a beautiful flower it is!=How beautiful the flower is!多美的花啊！13.One frog like this has enough poison to kill about 2200 people.这样的一只青蛙有足够的毒液可以杀死大约两千两百人。14.A baby panda is only 100 grams at birth.初生的大熊猫只有一百克左右。15.The most dangerous animal is the
16、mosquito.最危险的动物是蚊子。16.A kangaroo needs its tail for pushing off.袋鼠需要它的尾巴来推离（地面）。17.The tallest man in history was 2.6m tall.历史上最高的人有2.6米。18.Snakes “hear” with their tongues.蛇用舌头来“听“。19.Does this calendar belong to Daniel?这本日历是丹尼尔的吗？20.My friends found it interesting too.我的朋友们也发现它很有趣。21.I cannot beli
17、eve that a tortoise can live up to 150 years.22.Its interesting to know that each eye of a camel has 3 eyelids.23.I now understand why my mother always tells me to clean the table after a meal.24.Ants can smell things as well as dogs can.蚂蚁的嗅觉像狗的一样灵敏。25.It says that goldfish can only remember things
18、 for three seconds.26.They dont know what happened to them three seconds ago.27.Its said that we eat about 27000 kilos of food during our lives.据说我们一生可以吃掉大约27000千克的食物。28.Thats the weight of about six elephants.那可是大概六头大象的重量。29.Thank you for your help.= Thank you for helping me.谢谢你的帮助。30.The world is
19、full of amazing things. 世界充满令人惊奇的事。三、语法：1. 感叹句型：What+a/an+形容词+可数名词单数+(主谓)！ What a nice flower (it is)! What an interesting film (it is) !What+形容词+可数名词复数+(主谓)！ What beautiful flowers (they are)!What+形容词+不可数名词+(主谓)！ What bad weather (it is)!How+形容词/副词/陈述+(主谓)！ How nice the flower is! How fast he runs!
20、 How time flies!2. 形容词性物主代词和名词性物主代词、名词所有格。This calendar belongs to me.=This calendar is mine.= This is my calendar.3. 一般过去时（1） 基本用法a) 表示过去的动作或存在的状态 Eg. He bought a car yesterday. Tom was a student two years ago.b) 表示过去连续发生的行为Eg.Jack got up,had breakfast and then went to school.c) 表示过去一段时间内经常发生的动作Eg.When I was at school, I always went to school by bus.（2） 其它用法Used to + 动词原形 表示过去经常做某事，但是现在不做Eg. I used to play fotball after school. 注意：时间状语 yesterday , last week /month /year, in+过去时间 （ in 1998） , ago ( two days ago / three months ago ) Just now /then