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1、公元前287年，阿基米德出生于西西里岛(Sicilia)的叙拉古(Syracuse)(今意大利锡拉库萨)。他出生于贵族，与叙拉古的赫农王有亲戚关系，家庭十分富有。 阿基米德是古希腊伟大的数学家、力学家。他确立了杠杆定律，并称“给我一个支点，我将移动地球”；发现了流体静力学的基本原理阿基米德原理，并用来鉴别皇冠的真假；曾设计了许多战争机械，对抗敌人的进攻 后人对阿基米德给予很高的评价，常把他和牛顿、高斯并称为有史以来贡献最大的数学家。,“Give Me a Place to Stand, and I Will Move the Earth.” -Archimedes,Unit1 wise men
2、 in history,.:ki mi:di:z,golden adj. 金色的，金的,King Hiero asked a crown maker to make him a golden crown.,gold n. 金子,The crown is made of gold.,Unit1 wise men in history - New words,crown n. 王冠； 皇冠,agreement n. 同意;应允,agree v.同意 agree to do sth agree to sth (计划、建议) agree with sb,disagree 不同意,反义词,Olympic
3、s n. 奥运会,Olympic adj. 奥运会的,Olympic games 奥运会,Beijing held Olympic games in 2008.,doubt v. 不能肯定；怀疑；对、没把握 -not feel sure,1）.doubt + 名词、代词 “怀疑”,I doubt his word. 我怀疑他说的话。 They doubted him. 他们怀疑他。,2.） doubt + 从句 怀疑 A. I doubt that=I dont believe that我不相信 B. I dont doubt that=I believe that我相信 C. I doubt
4、 if whether +从句 我拿不准 D. Do you doubt that 你相信.吗? =Do you believe that,doubt n. 怀疑 ( not feel sure ) I have no doubt that it is true .我敢肯定这是真的 。 There is no doubt about it .此事无可怀疑。 real adj. 真的；正宗的【反：假的】 a real gun 一支真枪 really adv. 真正地 He is really ill. Im really sorry . true adj. 真实的 【反：虚假的】 He told
5、 a true story . come true 实现 I believe my dream will come true. truth n.真相、实情 to tell you the truth 跟你说实话,seem v. 好像；似乎 1.) seem ( to be) + 名词 形容词 . He seemed (to be) very tired . That seems (to be) a good idea . 2.) seem + 动词不定式 He seems to have known the truth . 3) It seems seemed + that It seemed
6、 that he was very tired . It seems that he has known the truth .,solve v. 解决；处理 (find the correct answer) solve the problem 解决这个问题 solution n. 解决 fill v. 装满；注满 fill A with B 用B 装满A He filled the bottle with water . full adj. 满的 be full of 装满 ； 充满 The bottle is full of water .,less adj.（修饰不可数名词） 较少的
7、little less least little +不可数名词 “几乎没有” a little +不可数名词 “有一点” fewfewerfewest few + 可数名词 “几乎没有” a few + 可数名词 “有几个” certain adj. 确定的；肯定的 Im certain that it s not made of gold .,certainly adv. 当然可以 = of course,certain与sure的用法区别 一. 相同点：两者都可表示“一定”、“确信” (1) 单独用作表语。 One thing was sure certain: theyd be late
8、. 有一件事是确定无疑的，他们会迟到. (2) 后接不定式。 Hes certain sure to win. 他一定会成功。 (3) 后接of about sth He is certain sure of success. 他确信会成功。 (4) 后接of doing sth Our team is certain sure of winning我们队有把赢。 =He is sure certain that he will win. 他自信会赢。,(3) 后接that / whether / if 从句。 I am sure certain that he is honest. 我肯定他
9、是诚实的 Are you sure certain that this is the right road? 你肯定这条路对吗? 注：当be sure certain为肯定式或疑问式时，后接that从句；当be sure certain为否定式时，后接whether if从句. Im not sure certain whether he still works there. 我不能肯定他是否还在那里工作。 I wasnt sure certain whether he would agree. 我不太肯定他是否会同 . (4) 后接其他从句 Im not certain sure who w
10、rote it. 我不太清楚这是谁写的,二. 只能用certain的情形 以下情况通常只用certain，而不用sure： (1)当主语或宾语用了 it 时。 Its certain that hell come tomorrow. 他明天肯定会来。 I thought it certain that he would be late. 我肯定他会迟到。 （2）当表示“某一”“某些”时 A certain Mr Green wants to see you. 有个叫格林先生的人想见你。 三、只能用sure的情形 在Be sure (not) to do sth.(一定要或不要做某事)这类祈 使
11、句中通常不用certain。 Be sure not to forget it. 千万别忘记啦。,correct adj. (-right) 正确的 v.改正 correct the mistakes mistake n. (-error) 错误 make a mistake mistakes 犯错 v. 把弄错 -mistook mistaken mistake A for B 把A误当成B People often mistake Lucy for Lily . be happy with = be pleased with 对满意 My parents are happy pleased with me .,send to prison 把。关进监狱,in prison 在坐牢,in the prison 在监狱里,prison n.监狱,
