北京課改版英語八下unit6theearth’satmosphereppt復(fù)習(xí)課件(編輯修改稿)
2025-01-13 15:01 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 That city will be called “Water City”. ? 3. It surrounds the earth like a blanket—20 miles thick. ? 20 miles thick 20英里厚 ? 數(shù)字 +單位 +形容詞 ? 例如： ? metres tall 一米七高 ? 6 metres wide 六米寬 ? 20 kilometres away 20公里遠(yuǎn) ? ① Our classroom is three metres tall, 7 metres long and 6 metres wide. ? ② The Yellow River is 5000 kilometres long. ? It is the second longest river in China. ? ③ The river is about 20 metres deep. You mustn’t swim in it. It’s too dangerous! ? 【 典型例題 】 ? ① The ruler is （ 20厘米長(zhǎng)） . ? ② The book is （ 5厘米厚） . ? ③ The hole is about （ 50米深） . ? ④ The tree is nearly （ 36米高） . ? 4. The atmosphere protects the earth from the sun’s heat. ? protect…from 保護(hù) …… 免遭 ? 例如： ? ① The thick coat protects the body from the cold. ? ② The helmet protects the head from the rock. ? ③ The plastic cover protects the book
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