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文意思,并完成短文后的練習(xí)題。 合作探究: 師: Today, let’s get to know two kinds of whales, sperm whales and killer whales. 讓 學(xué)生仔細(xì)看圖,然后提問(wèn): How long are they? How heavy are they? Let’s read and answer. 學(xué)生四人一組閱讀文段回答師提出的問(wèn)題。 師指著圖中的 Killer whale 的牙齒問(wèn): How many teeth do they have, do you know ? How long is each tooth? 學(xué)生根據(jù)文段的內(nèi)容回答。師接著問(wèn): How many teeth do you have?How long is each tooth? 師再提問(wèn): What does a sperm whale eat? What does a killer whale eat? Wha