1、 教学案科目: 英语 主备人: 备课日期： 课 题M10 Unit3 Protecting ourselves第13课时计划上课日期教学目标1.Learn some info about Aids.2.Master the usage of the words and phrases教学重难点To help students understand what is aids教学流程内容板书关键点拨加工润色Step1 Greetings Step2 Revisions Step3 Lead-in Step4 Teaching procedures Language points Task1. Re
2、cently, though, it seems that there has been a reversal of this process across China.(P 27) 然而，最近在中国这种情况似乎又有逆转的迹象。Grammar point: Perfective tense A perfective tense used to express action completed in the past; I had finished is an example of the past perfect相关高考试题：1.（2006江苏）Although medical science
3、 _ control over several dangerous diseases, what worries us is that some of them are returning. A. achieved B. has achieved C. will achieve D. had achieve2.（2006陕西）The construction of the two new railway lines _by now. A. has been completed B. have been completedC. has completed D. have completed3.
4、(2007 上海)With the help of high technology, more and more new substances _ in the past years. A. discoveredB. have discoveredC. had been discovered D. have been discovered4. (2007 北京) I got caught in the rain and my suit_.A. has ruined B. had ruined C. has been ruined D. had been ruined5. (2007 福建)Da
5、nny hard for long to realize his dream and now he is popular. A. works B. is working C. has worked D. worked6. (2007 江苏)_ you _ him around the museum yet? Yes. We had a great time there. A. Have shownB. Do show C. Had shown D. Did show7.(2007 上海春)The unemployment rate in this district from 6% to 5% in the past two years. Ahas fallenBhad fallenCis fallingDwas falling答案及解析：1. B 2. A 3. A 4. C 5. C 6. A 7. A作业布置教学心得
