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1、unit 9 when was it invented?period 2 section a 3a-4 its used for washing clothes. they are used for seeing in the dark. its used for making a milk shake. it was invented by bell. it is used for talking with friends who are far away.what inventions are they?making your own riddlesits used for they ar
2、e used for a: what are they? b: they are light bulbs. a: what are they used for?b: they are used for giving light.a: are they helpful?b: yes, they are. because i always do homework and read books in the evening by their light.lets talk about the inventions.a: what is this?b: it is a microwave oven.
3、a: what is it used for?b: it is used for heating cold food and cooking meals.a: is it helpful?b: yes, i think so. because my parents are very busy and i can use it to cook meals by myself.lets talk about the inventions.a: what is this?b: it is an alarm clock. a: what is it used for?b: it is used for
4、 waking people up.a: is it helpful?b: no, i dont think so. i think it is annoying. because it wakes me up when i want to go on sleeping.lets talk about the inventions. new inventions are invented all the time. inventions can change our lives a lot. most of the inventions are helpful, but some of the
5、m are annoying. 3ahelpful inventionsannoying inventionsexample 1 _example 1 _22334455make a list of five helpful inventions and five annoying inventions. telephone alarm clockcomputer, radio cigaretteplane, carcameralight bulbpaper, elevatormobile phonetruckcomputer gamesjunk fooda: what do you thin
6、k is the most helpful /annoying invention?b: i think the most helpful/annoying invention is a: why is that?b: because .whomost helpful whymost annoyingwhyimy partner i think _ is the most helpful invention. because it _. but i think _is the most annoying invention. because it_. my partner thinks _ i
7、s the most helpful because it_. but he/she thinks _ is the most helpful because it_. whomost helpful whymost annoyingwhyimy partner robinson has many adventures. one day he went to an island (小島小島) and he couldnt leave by himself. he was so tired and hungry, he wanted some useful modern inventions.
8、please help him !robins wanted your help. what would you take? a: id like to have a radio because i could listen to music all day. b: yes, but its not going to help you leave the island. i think it would be better to haveknifeflashlightguninventionswhy1.radiolisten to music all day2.3.4.5.if you cou
9、ld only take five inventions, what would you take? why? fill in the form.sample: if i am alone on a tiny island, id like to have a radio because i can listen to music all day. id like to have a light bulb because i can have light. also id like to have some food and water. oh, id like to have an umbr
10、ella because it can keep out wind and rain. but that is not going to help me leave the island . emm i think id like to have a boat very much because it can help me leave the island . it can take me home and have family , have warm, have love. if i am alone on a tiny island, id like to have because a
11、lso id like to have then but that is not going to help me leave the island . emm i think id like to very muchexercise 將下列句子變?yōu)楸粍诱Z態(tài),每空一詞。1. we can finish the work in two days. the work _ _ _ in two days.2. they produce silk in suzhou. silk _ _ in suzhou.3. the children will sing an english song. an english song _ _ _by the children. 4. did they build a bridge here a year ago? _ a bridge _ here a year ago?5. they use knives for cutting things. knives _ _ for cutting things. 主動語態(tài)主動
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