Using LanguageⅠ教案3

课文预读：

Read Passage 2 at Page 38 and answer the following questions.

1．What is the advantage for animals of visiting flowers?

_________________________________________________ 2．Why do some plants need animals?

_________________________________________________ 3．How does an animal pollinate a flower?

_________________________________________________ 4.

What features of a flower are important in attracting animal pollinators?

_________________________________________________ 5．What is nectar?

_________________________________________________ 6．What kinds of animals are most flowers pollinated by?

_________________________________________________

Read Passage 2 at Page 38 and do T or F.

1．Bees follow coloured lines to the nectar inside the flower. (

) 2．Flowers that are white or pale can be seen by night pollinators.

(

) 3．Butterflies are attracted to sweetsmelling flowers.

(

) 4．Bats pollinate flowers at night.

(

) 5．Flower colour is not important to hummingbirds.

(

) 6．All pollinators need to land on the flower if they are to find the nectar.

Key Words

1．My parents suggested to postpone our visit to the pyramids because we didn't have enough time to see them before we left Egypt.

我的父母建议推迟参观金字塔，因为在我们离开埃及之前，没有足够的时间去看他们了。

postpone vt.推迟，延迟

postpone后跟doing 或sth postpone sth/doing sth from...to...把某事从……推迟到……

[语境感悟] (1)Let's postpone making a decision until we have more information.

咱们在获得更多信息之后再做决定不迟。

(2)Because it was raining，we postponed the match until tomorrow.

因为下雨，我们把比赛推迟到明天举行。

(3)I got everything ready yesterday，but only to learn that the summer camp was postponed.

昨天我做好了一切准备，却没想到夏令营延期了。

[即时跟踪] 翻译句子

(1)他们推迟了对这一请求的答复。

(2)我父亲突然病倒，延迟了我们的旅行。

(3)此次会议被推迟到下星期。

2．Through evolution, most flowers have adapted to attract specific types of pollinators.

通过进化，大部分花朵变得适于吸引某种花粉传播者。

[归纳拓展]

evolve 常用作不及物动词，意为“进化，形成，发展”，常与from 搭配使用，意为“从……发展而来”。

其名词形式为

evolution, 意为“进化，演变，发展，渐进”。

其形容词形式为evolutionary, 意为“演变的，进化的，逐渐发展的”。

[语境感悟]

(1)The present British political system has evolved over several centuries.

英国的现行政治制度是经过几个世纪逐步发展而成的。

(2)The developmental history of society tells us that man has evolved from the ape.

社会发展史告诉我们人是从类人猿进化来的。

(3)Darwin's theory of evolution has been widely accepted.

达尔文的进化论已经被广泛接受。

(4)The farmers benefit a lot from the evolution of farming methods.

耕种方法的发展使农民大大受益。

(5)The change has been evolutionary.

变化是渐进的。

翻译句子

(1)这位设计师逐渐形成了自己的风格。

(2)这家公司已经发展成为一家大机构。

Key Phrases

1．Pollen becomes attached to the animal during its visit to a flower and is then passed on to another plant's blossom on its next visit.

动物接触一朵花时，花粉就附着在它的身上，动物接触下一朵时，就把这些花粉传到另外的那朵花上。

attach to 系上；缚上；附加；连接；使……归属

attach sth to sth 表示“把……附加、系上或缚在……上”

attach to sb / sth 表示“(使)与……有联系，与……有关联”

attach importance / value / weight, etc. to sth 表示“认为……有重要性/价值/分量等”

be attached to表示

“(变得)喜欢，依恋，对……有感情”

attach oneself to sb / sth 表示“依附某人，参加某事”

[语境感悟] (1)He attached a label to each piece of luggage.

他把每件行李都贴上标签。

(2)It was just an accident and no blame attaches to either of you.

这只是一个意外，你俩一点责任也没有。

(3)We should attach primary importance to the development of economy.

我们应把经济发展放在首要位置。

英汉互译

(1)The hospital is attached to that university. (2)A young man attached himself to me at the party and I couldn't get rid of him. (3)在年底前你将一直属于这一部门。

(4)我们已变得十分留恋这所房子，舍不得搬家。

2. give out发出(光、热、气味等)；分发(试卷等)；筋疲力尽；用完，耗尽

give in (to sb)向……妥协/屈服/让步

give up放弃

give away赠送；颁发(奖品等)；放弃(良机等)；泄露

give sb a call/ring给某人打电话

give back归还，返还

give off散发出；冒出

[语境感悟] (1)The engine gave out a steady buzzing.

发动机发出持续的嗡嗡声。

(2)Our food supply at last gave out.

我们的食物终于用完了。

(3)At the end of the race his legs gave out and he collapsed on the ground.

比赛结束时他两腿无力瘫倒在地。

1)刘胡兰宁死不屈。

(2)我爸爸戒烟三年了。

(3)他浓重的当地口音把他给出卖了。