Unit 6 How long have you been collecting shells? 第一課時(shí)教案
19.
polar bear 北極熊
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anyone pron. 任何人
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let know 告知；使知曉
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collector n. 收藏家，收集者；搜集者
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by the way 順便說(shuō)一句
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bamboo n. 竹子
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silk n. 絲綢
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common adj. 共同的；普通的；常見(jiàn)的
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free adj. 自由的；物拘束的
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topic n. 話題；主題；題目
29.
be interested in 對(duì)……感興趣
四、任務(wù)示范
學(xué)生們正在進(jìn)行馬拉松滑冰比賽，比賽已經(jīng)進(jìn)行了一段時(shí)間，有些同學(xué)還在滑，有人已不滑了。請(qǐng)根據(jù)下面短文用“how long”編一個(gè)對(duì)話。
同學(xué)們?cè)谧鲞@個(gè)練習(xí)時(shí)要注意如何詢問(wèn)別人“做一件事有多久了？”
the students are having an inline skating marathon. alison has been staking for five hours. victor has been skating for five hours, too. but san skated for four hours. he is tired. he is sitting on the ground and having a test. he has been having a rest for about one hour.
下面請(qǐng)聽(tīng)老師示范（pairwork）:
a: how long has alison been skating?
b: he has been skating for five hours.
a: how long has victor been skating?
b: he has been skating for five hours, too.
a: how long did san skate?
b: he skated for four hours.
a: how long has he been having a rest?
b: he has been having a rest for one hour.
好，我們?cè)僮鲆淮危@次你可跟老師一起做。
五、布置作業(yè)
1.請(qǐng)同學(xué)們反復(fù)朗讀單詞，并自查能記住多少單詞。
2.聽(tīng)錄音：section a 1b, 2a, 和2b
3.預(yù)習(xí)section a 3a