人教版高中英语选修八 Unit3 Inventors and inventions 导学案 6
1. 我所做的第一件事就是看看有没有什么产品能帮助我，但是，看来只有一种毒死蛇的粉药。 The first thing I did was to see if there were any products that might help me, __________________ ______________________ powders designed to kill snakes.
2. 只有在得到这种认可之后，你才可以说自己是一个真正的发明家。
________________________________________________ say that you are truly an inventor. 3. 每次你这样做的时候，你一定会发现你从未见过的东西。
______________ you do you will be certain to find something _____ you have never seen before. 4. 跟踪下去，不断探索，不知不觉中，你就会发现某种值得你思考的东西占据着你的头脑。 ____________, _____________________, ______ before you know it, you will have something worth thinking about to occupy your mind.
5. 授予专利是1876年，但五天之后贝尔才向他的助手华生发了第一个电话信息。 The patent was given in 1876, but ____________________________________________ Bell sent his first telephone message to his assistant Watson.
互动探究
I. 重点词汇
1. distinguish vt.&vi. 辨别；辨认；（常与from, between连用）区别；区分
[教材原句] Here was a chance for me to distinguish myself by inventing something merciful that would catch snakes but not harm them.
这回我有机会来表现一下自己，我要发明某种仁慈的东西，既可以把蛇抓到又不会伤害到它们。 [语境助记]
1). I can distinguish them at a distance. 从远处我能认出他们。
2). The man distinguishes himself by his wisdom这个人因智慧而扬名。 [归纳拓展]
distinguish A from B 辨别A与B be distinguished from不同于?? be distinguished by 以??为特征 distinguish oneself 显扬自己；使自己扬名 [及时应用] 根据句子的要求在括号里填入适当的介词或翻译。 ①Can you distinguish (中间) those two objects? ②Children should be taught to _______(分辨是非). ③Speech human beings (不同于?) the animals.
2. convenient adj.便利的，方便的 ____________n.便利，方便 _____________adv.便利地 [教材原句]They abruptly disappeared into a convenient hole in the wall. 它们突然一下子就消失在附近的墙洞里去了。 [语境助记]
1). Is it convenient for you to come next Sunday? 下个星期天你方便来吗？
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人教版高中英语选修八 Unit3 Inventors and inventions 导学案 7
2). I can’ t see him now; it’ s not convenient. 我现在不便见他。
[归纳拓展]
be convenient for sb.______________ It is convenient (for sb) to do sth.________________ at one’s convenience__________ for the convenience of sb.__________________ [及时应用]根据句子的要求在括号里填入适当的词或翻译。
1). Come and see me _______ _______ _______ _______ _______ (无论你何时方便). 2). We must arrange a ________ (convenience) time and place for the meeting. 3). I keep my reference books near by desk for _______ (convenient). 4).We must arrange a time and place for the meeting.
3. expectation n. 预料；期待；期望 _____________n. 期望的事物，前景 _______ v. 期望 [教材原句]This was in the expectation that the snakes would bite again. 这是因为我预料蛇还会再咬人。 [语境助记]
1). He has little expectation of passing the exam. 他对考试及格不抱希望。
2). The plan has succeeded beyond our expectation. 这项计划竟出乎我们意料地获得了成功。 3). He took an umbrella with him in expectation of rain. 他预料天会下雨，带了一把伞。
4). I usually enjoy his films, but the last one didn't come to my expectations.我向来喜欢看他的电影，但最近的一部并不像我期望的那样好。 [归纳拓展]
______ expectation 出乎意料
______ expectation of 预料，期望，指望 ______ expectation(s) 满怀期望地 come/ live up to one’s expectations 不负(某人)所望
?expectation 为不可数名词，当其意为\时，常用复数形式。 [及时应用] 完成句子：
The dog wagged its tail in ___________ (expect) of a bone. 我们在车站等着，期待她的到来。
We waited at the station her arrival.
4. call up 征召；召集服兵役；唤起；使人回忆；带入心中；打电话给某人(=ring up/ring/call) [教材原句]When I called up my mother in the countryside on the telephone she was very upset. 我给住在乡下的母亲打电话的时候，她感到很心烦。 [语境助记]
1). He called me up to tell me the good news. 他打电话给我并告诉我这个好消息。
2). I was called up three months after war broke out.. 战争爆发后的第三个月，我应征入伍。 [归纳拓展]
call back 召回；回电话；收回处理 call on sb/at sp 拜访 call for 要求，提倡，为……叫喊 call in 召集，召来，来访 call off (=cancel) 取消 call out 出动，唤起，大声叫唤 call on ...to do号召?做 [及时应用]
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人教版高中英语选修八 Unit3 Inventors and inventions 导学案 8
1). This is the work that calls _______ patience.
2). Human Rights groups are calling _______ the release of political prisoners. 3). He had to _______ the meeting because of the bad weather.
4). I’ ll call _______ him tomorrow do you want to visit him with me? 5). The company has called _______ all such models as built in 1990.
6). The government then called _______ troops to deal with the disturbances. 7). The old photo calls _______ memories of my childhood. 5. now and then 时而；偶尔；有时
[教材原句]Snakes come neat the house now and then, and they seem to have made their home here, not far from the walnut tree.
蛇不时地爬到屋子这边来，似乎是在屋子附近离胡桃树不远的地方安家了。 [语境助记]
1). Though they are very busy every day, they manage to get together now and then. 尽管他们每天非常忙，但是他们设法时不时地聚一聚。
2). I like to go to the opera now and then. 我喜欢偶尔去看歌剧。 [归纳拓展]
now (that)… 由于……; 既然...… right now（=right away）立刻，马上
by now（=up to now/till now） 到目前为止 just now 刚才
from now on 从现在开始
? Now (in the time) or never! 机不可失，时不再来 [及时应用]
1）The girl goes to visit her English teacher ______ _______ _______, who retired from school last year.
2) ______ ______ it is very cold, you should take care of yourself.
3) He ought to have arrived _______ ________. 他现在应该已经到了。
4) Sonia should have been home _______ _______. Do you think she’ s OK? 5). I hear from him ________ ________ ________ ________. 6). Please try to be more careful ________ ________ ________. 7). There’ s nothing I can do about this ________ ________.
6. set about (sth/doing sth) (不用於被动语态) 开始（某工作）； 着手做某事
[教材原句]I set about researching the habits of snakes to find the easiest way to trap them. 我着手研究蛇的习性，以便能找到捕蛇的最简易的方法。 1). I must set about my packing. 我得开始收拾行李了。
2). The new government must set about finding solutions to the country’ s economic problems. 新政府必须立即找出解决国家经济问题的办法。
3). The story ______ _______ _______ Hollywood. 这个故事以好莱坞为背景。 [归纳拓展]
set aside 将某事物放在一边；（为某目的）节省或保留（钱或时间）
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人教版高中英语选修八 Unit3 Inventors and inventions 导学案 9
set sth down 将某事物记在纸上； 写下来 set out 开始做，着手进行
set off 出发，动身；使（炸弹、地雷等）爆炸
set to 精力充沛地开始做某事 set sth up 建立，创立；摆放或竖起某物；创（体育）记录 [及时应用]
1). I don’ t know how to set _______ this job.
2). She set _______ a new world record time _______ the 100 metres. 3). They set _______ on the last stage _______ their journey. 4). How do senior managers set _______ making these decisions?
5). The new government must set _______ finding solutions to the country’s problems. 6). We set _____ to paint the whole house but finished only the front part. 7). They succeeded in what they had _______ to do.
8). Having made up his mind, he _______ carrying out the plan.
9). If you want to catch that train we’ d better _______ for the station immediately. II..句型探究
1. The first thing I did was to see if there were products that might help me, but there only seemed to be powders designed to kill snakes. 我先看看有没有能派得上用场的产品，好象只有一些用来杀死蛇的药粉。 [归纳拓展]
(1) 句中but 连接两个并列分句:
a. The first thing (I did) was to see (if there were products that might help me) b. there only seemed to be powders designed to kill snakes
(2) there seemed to be 是there be 句型变体，表示“似乎有······” 1)在there be结构中，be的人称与数应遵循就近一致原则：
There was a bucket of water and two chairs in the comer of the house. There are two chairs and a bucket of water in the comer of the house. 2) there be常见的形式有：
there seems to be...／there happens to be...／there used to be... 3) seem的归纳总结：
① sth.／sb. seem (to be)+adj.／n. 好像 ② It seems that... 似乎，好像??
③ It seems to sb that... 在某人看来好像??
④ It seems as if／as though... 看起来好像(后可接虚拟语气，这可接表真实的表语从句。) It seems as if it were going to rain. 看起来好像要下雨了。(天气好得很，不会下雨。) It seems as if it is going to rain. 看起来好像要下雨了。(真的快要下雨了。) ⑤ There seems (to be)…… 好象?? [即时应用]
1). There _______ (stand) a big tree in front of our building.
2). The child seems _______ (be) healthy, but the doctor is concerned. 3). It seems to me _______ there’ s something funny about the case. 4). There doesn’ t seem _______ (be) much hope that he’ ll come. 5). There ______ (be) no bus, we had to walk home.
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人教版高中英语选修八 Unit3 Inventors and inventions 导学案 10
6). There ______ (live) an old man and his two sons and they live by fishing.
2. Between the outside and inside walls of the bowl there is some jelly, which freezes hard when cooled. 在碗的内外壁中间有些果冻，当冷冻时就会变得非常硬。 [归纳拓展]
when cooled的构成：连词+过去分词，相当于when 引导的状语从句when it is cooled
如果when／while引导的时间状语从句中的主语与主句的主语相同, 且含be, 常常可用when／while + 现在分词短语或者过去分词短语的结构来代替。
1). When offered help, you should say “thank you” or “it’s very kind of you”.
= When you are offered help, you should say “thank you” or “it’s very kind of you”. 2). You must be careful when crossing the street. = You must be careful when you cross the street. 3). Seen from the hill, the city is beautiful.
= If／When the city is seen from the hill, the city is beautiful. 4). Seeing from the hill, you call see that the whole city is beautiful.
= If／When you see from the hill, you can see that the whole city is beautiful. [即时应用]
1). Once _______ (publish), this novel will be very popular! 2). _______ (tell) many times, he still couldn’ t understand.
3). The girls are talking excitedly, _______ (follow) their teacher.
3. Only after you have had that recognition can you say that you are truly an inventor. 只有在得到这种认可之后，你才可以说自己是一个真正的发明家。 [归纳拓展] 此结构属于only+状语 置于句首时倒装：当句首状语由only+副词、only+介词短语、only+状语从句 构成时，句子需进行部分倒装。
Only in this way _____ _____ _____ this problem. 只有用这种方法，你才可以解决这个问题。 Only after he had spoken out the word _______ ________ ________ he had made a big mistake. 直到已经说出那个字后，他才意识到自己犯了个大错误。 [即时应用]
1) Only after talking to two students ______ _______ ________ that having strong motivation is one of the biggest factors in reaching goals. 在与两位学生谈过之后我才发现有强烈的动机是实现自己目标的最大的因素之一。
2) Only after you have reach eighteen ______ ______ ______ the army. 只有当你年满十八周岁后，你才能参军。
3) Only then ______ _______ ________ the importance of learning. 直到那时我才知道了学习的重要性。
4) The pilot told us that everything was OK. Only then ______ _______ _______ how dangerous the situation had been. 飞行员告诉我们一切正常了，直到那时我才意识到之前的危险情况。 4. Nor will you receive a patent until a search has been made to find out that your product really is different from everybody else’s. 你的产品要经过仔细检查，证明它确实是与众不同的，你才能获得专利。
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