Unit3 Science versus nature-Reading (2)—Language Points1. A recent announcement by scientists that they have successfully cloned the first human embryo… announcement (n.) 宣告，通知，声明(短语)make/ issue an announcement 发表声明 announce（vt.）宣告，通知，声明(短语) announce sth. to sb. (不能用 announce sb. sth.)(比较) announce/ declare announce 指对公众或特定的一群关心的人进行宣布；declare 指官方的正式宣告Everyone was silent as he announced the winner of the competition.This powerful country declared war on that small country.2. On the one hand, some scientists point out that if you clone an embryo, you can … ①on (the) one hand…on the other hand…一方面…另一方面…（单独使用 on the other hand 时 ，hand 不能省略，但与 on the one hand 连用时，可省略）On one hand, rapid development of the economy will improve the living conditions of the people. On the other hand, it will speed up environmental destruction. (短语) at hand 在手边，在附近 by hand 亲手，手工 in hand 手头现有的，正在进行，在处理中hand in hand 手拉手 Hands off! 请勿动手！不许干涉 Hands up! 举起手来！ ②point out 指出 He pointed out my mistake. 他指出我的错误。 point to/point at 指着，指向某人或某物（两个词组可互换使用）He pointed at/ to a picture. point at 对准，瞄准(某人用枪对准某人某物等) They pointed at her head but she was not afraid. point to 表明，指向(主语为证据、时针以及宾语为某一方向时) The evidence points to him as the criminal.The hands of the clock pointed to half past three.The compass needle points to the north.3. …they may be on their way to producing a real-life Frankensrein’s monster. on one’s (the) way to doing sth. “正在做某事的过程中”. to 是介词，后接名词、代词或动名词短语 (练习) I’ve just heard a warning ______ the radio that a storm may be __...
