2012高考英语-Unit2《Cloning》知识与要点课件-新人教版选修8.ppt

2．cast down使沮丧 归纳拓展 cast an eye/ones eyes over sb./sth.很快地看某人或某事物 cast ones mind back to sth.回顾，回想 cast sth./sb.aside抛弃 be cast away(船遇难后幸存者)漂流某处 cast light on/upon＝throw light on/upon弄清楚 Cloning scientists were cast down to find that Dollys illness was more appropriate to a much older animal. 克隆科学家沮丧地发现多莉的病更容易发生在年老的动物身上。 He felt cast down when he discovered the fate of the breakthrough clone. 发现突破性克隆动物的命运使他很沮丧。 His research findings could cast new light on the origins of the universe. 他的研究成果可能会使人们对宇宙的起源有新的认识。 【链接训练】 ________ by the ________ news that he had developed cancer，he didnt know what to do. A．Cast down；alarming B．Casting down；alarmed C．Cast down；alarmed D．Casting down；alarming 【解析】　句意为：他患上癌症的令人忧虑的消息使他很沮丧，他不知所措。cast down是及物动词短语，意为“使沮丧；推倒”，常使用其被动形式。alarming是形容词，意思是“使人惊慌的；忧虑的”，在此作定语，修饰news。 【答案】　A 3．(be) bound to (do)一定(做)；有责任或义务做某事 归纳拓展 (1)bound v．跳跃；限制 n．跳；跳跃；界限，范围 adj.必然的，一定的；准备到……去的 (2)be bound (for...) 准备(去……) be bound up in热衷于，忙于…… be bound up with与……有密切关系 Ill be bound...我确信…… You have done so much work that you are bound to pass the exam.你下了这么大功夫，你一定会通过考试的。 I feel bound to tell you that youre drinking too much! 我觉得有必要跟你说，你酒喝得太多了！ The plane is bound for New York. 这架飞机是飞往纽约的。 Hes too bound up in his work to have much time for his children.他工作太忙，没有时间多陪孩子们。 【链接训练】 The marriage on the basis of money ______ break up. A．is determined to B．is going to C．is bound to D．is hoping to 【解析】　句意为：建立在金钱基础上的婚姻注定会解体。be bound to...“注定会……”；be determined to do“决心干……”；be going to“将要”，只有C项符合题意。 【答案】　C 4．bring back to life使复生，使复活 归纳拓展 bring sb./sth.to life使更有趣、更生动，给……以活力 come to (life)变得活跃，苏醒过来，开始有生气 bring sb./sth.back 给某人带回某物；使回忆起；交回某人/某物 come to oneself (不及物动词短语)苏醒过来 Can dinosaurs possibly be brought back to life through cloning？通过克隆，恐龙有可能复生吗？ The girl was brought back to life by the doctors and nurses. 医生和护士使这个女孩活过来了。 Nobody wants to bring back the days of child labour. 没有人希望回到雇用童工的日子。 Pour some water on his face—hell soon come to himself. 往他脸上泼些水，他很快就会苏醒过来