精读教案6.docVIP

Unit 6 Jewelry Teaching Time: six periods Part I? Pre-learning I . Teaching Aims ?? By the end of this lesson, students should be able to: ?? A. Know the general knowledge about different kinds of Jewelry as well as diamond. ?? B. Learn to use the communicative skill of “making an apology”. ? ?C. Master the use of article. ?? D. Grasp the words or phrases related to diamond. II. Teaching Important and Difficult Points Cultural Background? ?? A. Different kinds of jewels: ????? (precious) stones: a rare and valuable kind of mineral. 宝石 ????? gem: a pearl of mineral that has been cut and polished for use as an ????? ornament.宝石，珠宝 ????? ruby: a bright red precious stone. 红宝石 ????? sapphire: a kind of transparent precious stone of a bright blue color.蓝宝石 ????? emerald: a bright green precious stone.祖母绿，绿宝石 ????? opal: a precious stone which looks like milky water with colors in it. ????? 蛋白石，猫眼石 ????? jade: a precious, usually green stone from which ornaments or jewelry are ????? made.玉，翡翠 ????? amber: a yellowish brown hard clear substance used for ornaments or ????? jewelry. 琥珀 ????? jet: a hard, black material that can be made to shine brightly used to ????? make ornaments .黑玉 ????? topaz: a transparent yellowish mineral. 黄晶，黄玉 ????? pearl: a hard round small silvery-white mass formed inside the shell of ????? shellfish.珍珠 ????? B. Diamonds ????? Diamond (金刚石，钻石) is a clear, very hard and valuable stone, used in jewelry ????? and in industry, for example, a diamond engagement ring. It is the ????? birthstone of April and anniversary gemstone for the 10th and 60th years ????? of marriage. Diamond was discovered in 500 B.C. in India. The name ????? “diamond” comes from the Greek word “adamas” which means unconquerable--- ????? suggesting the eternity (永恒) of love. Since ancient Greece diamond has ????? been the traditional symbol of love. The ancients believed they were ????? hardened dew (露水) drops, splinters (碎片) from the stars or crystallized ?????