高中人教版英语必修一Unit2_单词讲解PPT课件.ppt

Unit2  English Around the World;重点单词; 5． vt.以……为根据　 n．基部；基地；基础 6． adj.逐渐的；逐步的→ adv.逐渐地；逐步地 7． n．词汇；词汇量；词表 8． adj.较后的；后半的；(两者中)后者的→ (反义词);重点短语;1. official adj. 官方的，正式的 official language official news n. 政府官员 An important official will visit our school. officer n. 军官 He is an officer in the army.;3. because of后边加名词或动名词短语 because是连词, 所以后边跟句子 He came to work late because he got up late. He came to work late because of getting up late. ; ;5. come up 上来, 走近; 被提出; （植物）发芽; （太阳）升起 come up to 地点 上某地来 come up with 提出 想出 He came up with a good idea in the meeting. 问题在会议中被提出来了。 The problem came up in the meeting. ; 太阳升起来了。 The sun came up. 不曾出现过这个问题。 The question never came up. 他靠近并和我们打招呼。 He came up and said hello to us. 春天草会再度发芽。 The grass will come up again in spring.;come across 偶然遇到，发现，被理解 come about 发生 come true 实现 come back 回来， 恢复记忆 come on 催促, 快速运动;得了吧 come out 出现，出版,开花 come in 进来 come over 从一地到另一地;;6 .base (1) n.___________________ Eg: Our company’s base is in beijing. (2) vt. ____________________ 用法：base A on B A以B为基础 A be based on B A建于B基础之上 Eg: (1)One should always base his opinion on facts. One’s opinion should always be based on facts. (2)----What are you mailing, Linda? -----A textbook_____a new method of teaching physics. I want my friend to take a look at it. A.is based on B.based on C.basing on D.which based upon ;7. at present =at the moment present (adj.) 　 现在的，目前的，可作前置定语 出席的，在场的，可作后置定语 the present situation/the people present be present at the meeting present (n.) 礼物=gift ; ;8.make use of 利用 take advantage of make good use of __________ make full use _______ be made use of eg:You must make good use