高中英语必修2教案：Computers-period2学案 2页

‎ Period 3 Learning about Language Step 1. Learning about Language ‎1. Fill the blanks and check the answers altogether.‎ ‎(1) Snow is _______(常见的) in cold countries.‎ ‎(2). Can you _______(估计)the cost of this journey?‎ ‎ (3). The _________(分析) of the samples on the murder spot showed some valuable clues to the police.‎ ‎(4) I shall go and see him ________(无论如何)‎ ‎(5) He's some kind of ________(数学)genius.‎ ‎(6). He is too s________ to work out such a difficult problem.‎ ‎(7). He asked his father's o________ about his plans.‎ ‎(8). How are you going to d________ with the letter?‎ ‎(9). I ________(完全) agree to your plan.‎ ‎(10). This is a t________ beautiful picture.‎ ‎2. Change the following sentences with the meaning not changed.‎ ‎ (1) I like a lot of what she likes.→‎ We have a lot______ ______.‎ ‎(2) Harry helped me with my English, so I learnt a lot.→‎ ‎ I made great progress in English_______ Harry's ______.‎ ‎(3) Time passed quickly. Peter grew into a tall young man.→‎ ‎ With the time _______ _______, Peter became a tall young man.‎ ‎(4) You said it was very special. I don't think so.→‎ ‎ I_______ with what you said.‎ ‎(5) In my opinion, Mickey is the kind of person we need.→‎ ‎ _________, Mickey is the very man we need. ‎ 3. Grammar Purpose: To get Ss to have knowledge of this grammar point: present perfect passive voice.‎ ‎(1) Presentation ‎ ‎① Revise the grammar: the present passive voice.‎ am / is / are + done ‎② Revise the grammar: the present perfect voice.‎ Have/has + done ‎ ‎③ Explain the grammar: the present perfect passive voice.‎ ‎——>Have/has been +done ‎(2) Practice Purpose: To get Ss to have knowledge of the grammar through exercise.‎ ‎① Fill the blanks with the correct tense.‎ A. –The window is dirty. ‎ ‎ －It ____________ ________ (not clean) for weeks.‎ B. ---George and Lucy got married last week. Did they have a big wedding?‎ ‎---No, I __________________ (not invite).‎ ‎ Did they have a big wedding?‎ ‎. C. ---Have you moved to your new apartment? ‎ ‎　 ---Not yet, it _______________(paint) at the moment.‎ D. too much. The students have been made __________(not play) computer games ‎ E. Since then, all different kinds of information ____________________(处理)by computers.‎ F. He doesn’t mind the story _____________(编造) in this way.‎ G. Do you know how many websites there are ________________(连接)?‎ Suggested Answers: ‎ A. hasn’t been cleaned B. hadn’t been invited C. is being painted D. not to play E. has been dealt with F. being made up G. to be connected ‎② Translating following sentences into Chinese and pay attention to the present passive voice. ‎ A. A new personal computer has been bought.‎ B. Many problems ahs been found with our new computer.‎ C. A PC has been built the way we wanted.‎ D. Our computer has just jointed to the Internet.‎ E. The computer ahs been used every day since we bought it.‎ F. A lot of e-mails have been written on the computer in the past year.‎ Step 2. Homework ‎ ‎ Finish Ex1 (P21), Ex2 (P21) and Ex3 (P21).‎ 全 品中考网