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New Words anization pany quality website position marketing assistant Useful Expressions twoyear working experienc have good munication skill We are looking for … If you are interested, please call

观看微课视频 Have you ever done a parttime job? 对话 句型 单词 （二） 新知探究 3339。 （三） Have you ever done a parttime job? 教学过程 Have you ever done a parttime job? 教学反思 Interviewer: Li Xiaohong: Interviewer: Li

oon the living room sitting on the sofa At dinner time at home talking about the CD Use the given phrases to describe Allison’s shopping day. After breakfast, Allison went to a big shopping mall to

urniture the next day? __________________________________________________________________ Because they were able to enjoy beautiful scenery and all the delicious food on the ice. Because the ice had

ence in this field. 2)Speak fluent _________ . 3)Have good _____________ skills. 4)Be able to work under _________. twoyear English munication pressure 10. Read the two ads, and tick the mon

4s in 2 2 s in c o s25    2 7c o s 2 1 2 s i n 25  巩固知识 典型例题 1cos 23  (π,2π) sin cos 4、例 9 已知 ，且 ，求 的值． 2 2， 4与 与 之间都是 故可以使用二倍角公 具有二倍关系的角， 式来计算． (π,2π)  π(,π)22 解 由 知 ，所以 2

d you like that singer? _________________________________________ 15. Link and write. Example: Five years ago, Zhang Ming’s favorite song was Yesterday Once More. He liked that song. It could bring

os c os si n si n      (1) (2) 利用诱导公式可以证明， (1)、 (2) 两式对任意角都成立（证明略）．由此 得到两角和与差的余弦公式 c os( ) c os c os si n si n         c os( ) c os c os si n si n         巩固知识 典型例题 例 1

析 可利用公式将15176。 角看作 60176。 角与 45176。 角之差． 解 si n 1 5 si n ( 6 0 4 5 )    si n 60 c os 45 c os 60 si n 45     3 2 1 22 2 2 2   624 ．巩固知识 典型例题 分析 可以考虑逆向使用公式． 例 7 求 si n 10 5 c os 75 c

___________________________________________. Why do you like it? ___________________________________________. Ask and answer. What rewards will the job bring?