Section Ⅱ Welcome to the unit &Reading -Language points
exact adj.精确的,准确的
(教材P42)Cloning is producing an exact copy of a plant or an animal using its cells.克隆就是利用植物或动物本身的细胞制造出一个精确的副本。
to be exact 确切地说
exactly adv. 精确地;正确地
not exactly 不尽然;不算是
①It happened late last century in 1895,to be exact.
它发生在上世纪晚期,确切地说,在1895年。
②We are not exactly (exact) driving fast.
我们不能算是开得很快。
point out指出
(教材P42)On the one hand,some scientists point out that if you clone an embryo,you can produce valuable human tissues...一方面,一些科学家指出,如果克隆人类胚胎,你就可以制造出宝贵的人体组织了......
point sth.out (to sb.) (向某人)指出某事
point out that... 指出;告知......
point to 指向
point at 指着;瞄准
point sth.at... 把某物指向......