Unit One Words studyTeaching aims: 1. Give the Ss some impression of something mysterious or unexplained. 2. Reading a newspaper article about a missing boy3. Enlarge Ss’ vocabulary about outer space.Teaching importance and difficulties:1. learn and master some new words and phrases: puzzle , step up, search, due to, show up, witness, according to , research, rule out ,possible, look into, make up, case, later, similar, run after support , exist2. develop their speaking, listening , reading and writing skills.Teaching procedures:Step 1: read the new words Step 2: word study1. puzzle n. 智力测试，难题，另人费解的人或事vt.使迷惑不解 Their reason for doing this is still a puzzle to me.对于他们为什么要做此事我仍然莫名其妙His recent behavior puzzles me.他最近的行为令我迷惑不解I’m puzzled about this situation. T hey are puzzled (about) what to do next. 他们对接下来该做什么感到迷惑不解 adj. 令人困惑不解的， adj. 困惑的，茫然的， 2. step up:⑴ John waited until the teacher had finished speaking to Mary, and then he stepped up. 走上前来⑵ The factory stepped up the production. 加快，加速(3) Their social position had been much stepped up.加强，增加 step n. take a step forward/ back 向前走，向后走 take steps(action, measures) to do sth 采取步骤、行动、措施做某事 mind/ watch your step 谨慎的说话，做事 step by step 一步步，逐渐地 keep/ be in step with 与。。。保持一致3．search vt. search sth/sb. search for sth. search sp./sb. for sthin search of 找寻 （引起状语） ⑴ They searched every part of the forest.他们搜遍了树林的每一个角落 ⑵ The policeman searched the prisoner to see if he had a gun.警察给囚犯搜身看他是否携带了枪。 ⑶ I must search for that lost money until I find it.用心 爱心 专心我一定要寻找丢失的钱直到找到为止 ⑷ The police ...
