人教高中英语必修2Unit3Using Language课件

5. 一些特殊动词, 如borrow, finish, begin, buy, start, return, marry, open, join等构成的现在完 成时的被动语态不能与表示一段时间的状语连用。 若要表达相应的意思， 则需改换动词或时态。 短暂性动词与延续性时间连用错误 如： My brother has had(不能用has bought) this bike for almost four years. How long has this book been bought? How long ago was this book bought? Using language 1. What are the advantages and 2. disadvantages of each form of IT? 1) advantage n. 优点; 优势; 有利条件 都市生活有几个优点。 There are several advantages in city life. 2) disadvantage n. 缺点, 劣势; 不利条件 take advantage of 利用 考点1 signal vi.&vt.发信号；发暗号；示意n.信号 (2)n.信号 All I get is a busy signal whenever I dial his number. 我什么时候拨他的电话听到的都是忙音。 [自主归纳] ①   示意某人做某事 ② 向某人示意 ③signal that ... signal (to) sb. to do sth. signal to sb. 示意…… 2. Personally, I think the team who won first place cheated. 我个人认为得冠军的那个队作弊了。 考点2 type n．类型vt. & vi.打字 打印 教材原句 They had developed a new type of program just before the competition. 他们恰好在比赛前设计了一种新程序。 This letter needs to be typed again. 这封信需要再打一遍。 She could type a letter of this type. 她能打出这种类型的信。 typist n．         打字员 typewriter n. 打字机 Typical adj. 典型的 4. We are determined to create an even better system. 5. In a way, our programmer is like my coach. 从某种程度上来说, 他的英语有进步。 In a way, his English has improved. 6. She programs us with all the possible moves she has seen while watching human games. What’s our next move? 2) while watching… = while she watches… While he was doing his English homework, he fell asleep. = While doing his …. 考点4 arise vi.出现；发生；产生；起身；起床 教材 原句 Then she prepares reliable moves to use if a new situation arises. 然后如果有新的情况发生，她准备着使用可靠的 动作。 A new difficulty has arisen. arise from/out of    由……而引起；由…… 而产生；从……中产生 Accidents often arise from carelessness. 事故往往是由疏忽大意而引起的。 [辨析比较] arise, rise, raise 原形 意义 过去式 过去分词 现在分词 arise(vi. ) 出现；发生 arose arisen arising rise(vi. ) 升起；上升 rose risen rising raise(vt. ) 举起；饲养 raised raised raising 形象记忆 补充; 弥补 化妆 Sixty students make up our class. （ ） Society is made up of people of different abilities. （ ） The criminal made up a story about where he was when the crime happened. （ ） Please make up a new dialogue according to the text. （ ） So you made it after all! 你毕竟成功了！ 1) 有“别忘了”的意思 2) 放在句末, “虽然有前面说过的话”或 “与 预料中的情况相反”的意思 She should have offered to pay — she’s a millionaire, after all. 她应该主动提出付款 ── 别忘了, 她是个百万富翁。 考点5 with the help of (＝ with one's help)在……的帮助下 教材 原句 After all，with the help of my electronic brain which never forgets anything，using my intelligence is what I'm all about! 不管怎样，在我过目不忘的电子脑的帮助下，运用 智能就是我的一切！ She spoke with us with the help of an interpreter. 她在翻译的帮助下与我们交谈。 [归纳拓展] help sb. out       摆脱困境 help sb. with sth. 在……方面帮助某人 help (to) do sth. 帮着做某事 I can't work out this math problem. Please help me out. 我做不出这道数学题，请帮我一下。 请同学们根据上面例句讨论并写出所给短语的意义 ①can’t help doing sth.     ②couldn‘t help (to) do sth. ③can‘t help but do sth. 禁不住做某事 不能帮忙做某事 不得不做某事 [联想发散] 请同学们先看下面三个句子： At the news, he couldn't help crying. 听到这个消息他禁不住大哭起来。 I couldn't help clean the floor for I am busy now. 我不能帮助打扫地板，我现在很忙。 I cannot help but admit he is right. 我不得不承认他是对的。 I. 根据括号内所给提示将下列句子翻译成 英语。 1.在春天，我们通常将钟表向前拨一小时, 以充分利用日光。(take advantage of) 2. 他们尽力安抚愤怒的顾客。(deal with) 3. 他上学迟到了，所以他编了个理由。 (make up) 4. 在他父母的帮助下，他很快完成了作业。 （with the help of） II. 每空填一词，使该句与所给句子的意思相同。 1. My own opinion is that the project is 2. going to be a great success. _________, the project is going to be a great success. 2. She felt a little strange. She felt strange __ __ ____. 3. Thanks to technology, more and more new machines have been invented in the past years. ____ ___ ____ __ technology, more and more new machines have been invented in the past years. 4. His mother is ill in hospital, so he has to look after her. His mother is ill in hospital, so he has to _____ ____ her. With the help of III. 用方框内所给词的适当形式完成短文 I used to read stories to my 1. ______ and we were attracted a lot by some of the 2. __________ in the stories. But since the 3. ___________ of the computer in my house, she wanted to read the 4. __________ books on the Internet. type, coach, encourage, arise, electronic, appearance, character, signal, mop, niece characters appearance electronic She asked me to be her 5. ______ and began to learn how to 6. _____. One day, when I was 7. _________ the floor, she 8. ________ that another problem had 9. ______. I stopped my work at once to help her, because seeing her progress step by step is very 10. ____________. type, coach, encourage, arise, electronic, appearance, character, signal, mop, niece encouraging coach type mopping signaled arisen In small groups, discuss how to design your own android. The following questions can help you. 1. What would you like it to look like? 2. What are some of the things you would like it to do? 3. Do you want it to be like a man or a woman, or neither? 4. How much would it cost? I think that… In my opinion… I believe that… What’ s your reason? I had decided that… A: What kind of robot have you decided to make? B: I’ve decided that we should have a homework android. It could do all our work after class and leave us more time to do football． A: OK. But what do you think it should look like? B: In my opinion, it should have four arms to carry the books, a large head to remember all the lessons and a printer to write out the answers． What do you think? A: Well, that sounds sensible. Perhaps it could also put all the exercises into specially marked boxes for each subject so we could find them quickly. What about putting that in its stomach area? B: Do you want it to be a man or a woman? You can choose． A: I’ve decided it should be a girl． B: What’s your reason? A: Girls are so hard-working． B: Sounds good to me! Let’s draw it now!