教学ppt课件 words expressions (reading).ppt

张月 孔国庆 李霞 邓卫东 1. 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 up! 举起手来！ Hands off! 请勿动手！不许干涉 ②point out 指出 He pointed out my mistake. 他指出我的错误。 point at/point to 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 (短语) on one’s (the) way to 在去…的途中 by the way 顺便问问，顺便说说 by way of 途经 in a way 在某种意义上，在某种程度上 in one’s (the) way 挡路 in this way 用这种方式 (练习) I’ve just heard a warning ______ the radio that a storm may be ______ its way. a. on, on b. over, in c. on, above d. from, on 4. However, in general the scientists were praised for their wonderful scientific breakthrough. ①in general 一般说来，从总体上看，大体上 In general, red is the most popular color thi