一、重点词汇讲解1.puzzled a puzzled boy *puzzle The question puzzled the boy. *puzzling a puzzling question *be a puzzle to sb. 对。。。。。是个迷UFO is a puzzle to everyone. *be puzzled about what to do .不知道该干什么2.step up （1）向上走，走近,站出来（ 2）加紧，增加，加强，促进，提高 . The company had step up production of the latest model.公司已增加了最新型产品的生产。I hope you try to get them to step up production.希望你们尽力使厂家增加生产。Let me step up the speed of the machine.让我把机器提速。3.search *search sb/sth 与 search for sb/sth *search sb. 搜身 search sth 翻弄某物，在某物中搜索*search for sb /sth 寻找某人 /某物e.g The police searched her for drugs .警察搜查她，看她身上有无毒品*in search of / in one’s search for 寻找e.g. Scientists are in search of a cure for the disease. *search though 查遍They searched through the books on the shelves to find a book by LuXun. 4.due to e.g He lost the match because of/owing to/due to careless. His successes were largely due to（owing to ） luck. 他的成功主要靠运气。关于 due to/because of /thanks to /owing to 1].due to “由于 ”一般知作表语。作状语不可位于句首。高中英语学习材料（灿若寒星 *制作整理）学生姓名：年级：任教学科：教学次数：教学时间：指导教师：教学模式：教学地点：滨湖联创新区宝龙胡埭校区上次课程学生存在的问题：学生问题的解决方案：2.]because of..“因为 ” 用以指出理由，常作状语。3]thanks to..“ 多亏，幸亏，亏得”、常作状语。e.g. Thanks to your help, we were successful. 4].owing to “由于，应归功于”作状语或表语皆可。5.witness n./v n.目击者 ;见证人 [C][(+of/to)] I was a witness to /of the argument我是那场争论的见证人。*give/bear witness (to.sth)为。。。作证；证明vt.1. 】目击 I witnessed the traffic accident. 我目睹了那次交通事故。2.】 作...的证人 ;连署 The two servants witnessed Mr. Smith's will.两个仆人在...
