北京課改版英語八下unit6theearth’satmosphereppt復(fù)習(xí)課件(更新版)
【正文】 children （依靠） those rich people’s support. ? 6. The air in the atmosphere is made up of dust and gases. ? be made up of 由 …… 構(gòu)成，由 …… 組成 ? 例如： ? The class is made up of 20 boys and 19 girls. ? The teacher team is made up of 126 teachers. ? 7. More than three—fourths of the gas is nitrogen. ? three—fourths 四分之三 ? 分?jǐn)?shù)的概念： ? 分?jǐn)?shù)由基數(shù)詞作分子，序數(shù)詞作分母構(gòu)成，分母序數(shù)詞都用復(fù)數(shù)。 ? 5) More than threefourths of gas is nitrogen. ? 多于四分之三的氣體是氮?dú)狻? ? 4) The air in the atmosphere is made up of dust and gases. ? 大氣層中的空氣是由塵土和各種氣體組成。 ? 六、本單元重點(diǎn)知識(shí)講解： ? 1. The ship is made from waste materials. ? The Tshirt is made of cotton. ? 例如： ? ① The book is made of paper and paper is made from wood. ? ② The glass is made of glass and glass is made from SiO2. ? 2. The air that surrounds the earth is called the atmosphere. ? 包圍地球的空氣被稱為大氣。 ? The little girl gave me .
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