必学一Module3 必学一Module4单词liquid [likwid] n. 液体expand [ikspnd] vi.膨胀contract [kntrkt] vi.缩短substance [sbstns] n. 物质mixture [mikst] n.混合物oxygen [ksdn] n. 氧气electricity [ilektrisiti] n. 电stage [steid] n. 阶段；时期conclusion [knklu:n] n. 结论aim [eim] n. 目的；目的reaction [rikn] n. 反应electrical [ilektrikl] adj.与电有关的；用电的equipment [ikwipmnt] n. 设施；装备react [rikt] vi.(化学)反应potassium [ptsim] n. 钾sodium [sudim] n. 钠calcium [klsim] n. 钙magnesium [mgni:zim] n. 镁aluminium [ljuminim] n. 铝zinc [zik] n. 锌partial [pɑ:l] adj.部分的；局部的copper [kp] n. 铜oxide [ksaid] n. 氧化物rust [rst] vi. 生锈boil [bil] vt. 煮沸ordinary [:dinri] adj. 普通的；平时的steam [sti:m] n. 蒸汽；水气float [flut] vi.漂浮form [f:m] vi.形成dissolve [dizlv] vt. 溶解；分解；离别balance [blns] n. 天平crucible [kru:sibl] n. 坩锅tongs [tz] n. (复)夹子；小钳子flame [fleim] n. 火焰facility [fsiliti] n. (常作复数)设施；工具lecture [lekt] n. 演讲department [dipɑ:tmnt] n. (大学的)科、系astonished [stnit] adj. 吃惊的；惊愕的短语addto 往加入in the area of 在范围be proud of 为感到骄傲/自豪be supposed to 应当；理应a report on 关于的报道as ... as 与一样mix A and/ with B together 把A与B混在一块mix A into B 把A加入Ba mixture of... 的混合物a quarter/a half 四分之一/一半three quarters四分之三two fifths五分之二point seven one 零点七一the same as 和一样put...in order 把整理好10 meters long 10米长draw/arrive at/reach/get to / come to a conclusion 得出结论electrical equipment电器设施a set of /some equipment 一套/一些设施A be equipped with B 用B装备Areact with与发生反应react to 对做出反应have a slow/fast reaction with 与发生慢的/快的反应at the TOP/bottom(of) 在顶部/底部find out找出leave with the tube for a week 与试管一块放一周keepout of 使不入内ordinary water 普通的水much/a lot/a great deal/ far /a bit/ a little /still / even / yet +bigger 更大no more than/ no morethan仅仅/ 和一样不（两者都不）not more than/not morethan 低于/不如（前者不如后者）a bigger apple一个更大的苹果Its your turn to do 该轮到你做go ahead 干吧！用吧！used to do过去常常做be used to doing习惯于做be used to do 被用来做the last equipment 最新的设施four times a term一学期四次make a discovery发现first-class scientists先进的科学家in the last twenty years在最后20年win the Nobel Prize获得诺贝尔奖句型1. What conclusions do you draw from the evidence youve heard?你从你听到的证据中得出什么结论？2. In conclusion/To conclude, I would like to thank everybody who helped me.最后，我要感谢所有帮助过我的人。
3. The measures are aimed at sTOPping the river from being further polluted.这类手段旨在阻止河流遭受进一步的污染。
4. He studied hard, aiming to pass the entrance exam.为了通过入学考试，他好好学习。
5. The old man has formed the habit of getting up early every morning.这位老人已经培养了天天早晨早起的习惯。
6. Try to achieve a better balance between work and play.争取把工作和娱乐更好地结合起来。
7. You have to balance the advantages of living in the countryside against the disadvantages.你得权衡一下住在乡下有哪些好处和坏处。
8. Colorful umbrellas add to a lively atmosphere in the summer streets.各色阳伞给夏日街头平添了活泼的氛围。
9. Three-fifths of the trees have been cut down.五分之三的树已被砍了。
10. One-third of the sugar was used to make the cake.制作蛋糕用了三分之一的糖。语法总结形容词和副词的比较等级考试知识点1、倍数表达法1.倍数+as+形容词/副词原级+as Asia is four times as large as Europe. 亚洲是欧洲的四倍大。 The dining room is twice as big as the kitchen. 餐厅是厨房的两倍大。
2.倍数+形容词/副词比较级+than Our school is twice bigger than yours. 大家学校是你们学校的两倍大。
3.倍数+the+名词(size，height，length，width，etc.)+of The new building is three times the height of the old one. 这座新楼是那座旧楼的三倍高。 This stone bridge is twice the length of the wood one. 这座石桥是那座木桥的两倍长。
4.倍数+as many/much+名词+as He has got three times as many books as his younger sister. 他的书比他妹妹的多两倍。
5.倍数+what从句 The price of the house this year is twice what it was last year. 今年的房价是去年房价的两倍。
6. increase/fall等增减性动词+by+倍数 Compared with last year, our coal output has increased by three times. 与去年相比，大家的煤产量增长了三倍。
7.倍数+compared with+被比较对象 The number of the students in our school has increased by four times compared with 1980. 大家学校的学生人数比1980年增加了四倍。考试知识点2、形容词/副词比较等级的基本使用方法原级比较(1)as+形容词/副词原级+as表示和一样，其否定形式为not as/so+形容词/副词原级+as。 He runs as fast as I. 他跑得和我一样快。 Li Hua doesnt draw as/so well as Liu Fang. 李华画画不如刘芳好。(2)as+adj.+n.+as I have as many books as Tom. 我有和汤姆一样多的书。 Sam drank as much coffee as Mary. 萨姆跟玛丽喝的咖啡一样多。比较级的容易见到句式形容词/副词比较级+than意为比更。 Yao Ming is taller than Michael Jordan. 姚明比迈克尔乔丹高。 She speaks louder than her mother. 她比她母亲说话声音大。比较级的修饰词形容词和副词的比较级可以用程度副词来修饰，容易见到的此类副词(词组)有a bit, a little, far, much, a lot, a great deal, any, still, even等。 The girl has made far greater progress than her classmates. 这个女生的进步比她同学的大得多。 Are you feeling any better today? 你今天感觉好点儿了吗?考试知识点3、比较级的容易见到结构1.比较级+and+比较级/more and more+原级表示愈加。 It becomes warmer and warmer when spring comes. 春季来了，天气愈加暖和了。 Our school is becoming more and more beautiful. 大家的学校愈加漂亮了。
2. the+比较级(+主语+谓语), the+比较级(+主语+谓语)表示越，越。 The sooner, the better. 越快越好。
3. the+比较级+of the two 表示两者中较的那一个。 She is the taller of the two sisters. 她是姐妹两个中较高的那一个。
4. 否定词+比较级表示最高级含义。 I have never seen a stranger bird. 这是我见过的最奇怪的鸟。
5. more than+从句表示超出的范围。 The noise is more than I can put up with. 这种噪音我忍受不了。
