一 : Many ads are aimed specificaly at teenagers.

Many ads are aimed specificaly at teenagers.

为什么这里ad要用被动语态?为什么不能直接写成many ads aim specificaly at teenagers?

Many ads are aimed specificaly at teenagers.的参考答案

因为ads 是死物,它不能自己做出"针对" teenagers 的动作 所以必须用被动语态

二 : How Many

unit 3  lesson 3part a let’s say; part c story timeteaching aims :1. be able to listen, say, recognize the words: jeep, jump, key, kangaroo.2. be able to listen, say, read and write these two letters: jj, kk.3. be able to know the general idea of the story, improve the ability of using the language and know study is just like picking up apples, the key is accumulation.focus points & difficult points :the writing of small letter j and k.teaching preparation:1. letter cards ,some word pictures.2. a little blackboard with four-line format.designing for the blackboard:
teaching steps:step1. warming –up  1.sing a song<one two three four five>   2. review the dialogue and act it.  3. free talk.    t: hello, s1. how many pencils can you see?    s1: i can see……step2.presentation.  1. 1)t shows a picture with many letters: how many letters can you see?    s: i can see……    t: now let’s read together. a, b, c……    t points to j: this one is ……    s: j.    t shows a: a, a, j.    recognize and read as : big letter j, small letter j.    pay attention to the writing of small letter j.2). t: jump like a rabbit.  ss act like rabbits.  t shows the word: jump.t teaches the pronunciation of “jump”.t: j for jump,/  /,/  /,/  /.   s: j for jump,/  /,/  /,/  /.  t shows the picture of jeep: what’s this?  s: it’s a jeep.  t teaches the pronunciation of jeep.  t: who can say “ j for jeep……”  s: j for jeep, /  /,/  /,/  /.2. teach k k like above.  k for key, /k/,/k/,/k/.  k for kangaroo, /k/,/k/,/k/.  t: c for what?  s: c for coke, /k/,/k/,/k/.  t: yes. when the word begins with c, it always pronounce /k/.  step 3. practise.  1. writing.1) t: now, let’s write them down. look at the blackboard.    t: first, let’s write down big letter j. one. it looks like a hook. now, let’s try together. show me your finger.    s: my finger.    t& ss: one.    t teaches the writing of small letter j. (看上去像侧面坐着的一个人。)   2) t: guess! where does j live?     s: the second and third floor. (no.2 and no. 3).                          homelet’s write down it. show me your finger.     s: my finger.     t & ss: one.     t teaches the writing of small letter j in the four-line format. (small letter j lives on the all the floors, the same as small letter f.)      write them on your exercise book.     teach the writing of kk.( pay attention to k.小k，小k, 叉腰踢腿。)  2. story time.   1) t: today zoom and zip bring us a new story.      they are picking up apples. ( t does the actions.)      what’s the meaning of “pick up the apples”?    s: 摘苹果。    t: yes. who win? zoom or zip. let’s watch.    s: zip.    t: zip为什么赢了？    s：因为她注意把摘下来的苹果，放在篮子里。zoom就没有这样做。所以zip赢了。    t：对了，我们学习也要像zip摘苹果那样，善于复习、积累，这样就会丰收累累硕果了。    t: let’s watch it again.  s: ok.  t: you can say “good idea!”    好主意。  t teaches the pronunciation of “good idea”.  t puts zip’s headgear on a student’s head: zip! how many apples do you have?  s: i have 16 apples.  t teaches “how many ……do you have?”   2) read after the tape.  3) act it.      step4. assessment.1).complete the writing of letters and exercise on the activity book.

三 : 57．How many different kinds of

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