内容正文:
Unit 2 Numbers Key words number n. 数字 instructions n. 指示 check v. 检查 gram n. 克 son n. 儿子 chess n. 国际象棋 India n. 印度 wise adj. 充满智慧的 challenge v. 向......挑战 promise v. 许诺;承诺 prize n. 奖赏;奖品 grain n.谷粒 chessboard n.象棋棋盘 double v. 使加倍 amount n. 数量;数额 rest n. 剩余部分 gold n. 金子 instead adv. 代替 realize v. 认识到 copy v. 抄写 correctly adv. 正确地 traffic n. 交通 accident n. 事故 Key phrase: a long time ago 很早以前 challenge...to...向(某人)挑战 and so on 等等 from then on 从那时起 take place 发生 copy down 抄写 not...any more不再 in this way用这种方法 so that 为了;以便于 take...to...带......去...... Paraphrase: check v. examine in order to learn whether sth. is correct / look over challenge v. invite sb. to compete against one in a fight match. promise v. say to sb. that one will definitely do sth. prize .n. a reward given to the winner of a competition, race and so on double v. make or become twice as great, or as many rest n. what is left instead adv. in place of realize v. become aware of sth. Or understand sth. accident n. n event that