内容正文:
Unit 5 Revealing nature
Unit 5
话题
认识与探索自然
词汇
distant, disgrace, sample, evolve, suspect, evolution, generate, characteristic, decline, blame, primitive, worldwide, giant, myth, detect, root, link, centimetre
短语
date back to, be a disgrace, answer the call, of all time, in question, be crowded with, come to exist, be similar to, adapt to, be native to, by contrast, carry out, drive away, serve as, side by side
句型
1. 强调句型:It is/was+被强调部分+that/who+其余部分
2. do you think作插入语
3. 主语+be+adj.+动词不定式
语法
过去完成时
写作
植物观察日记
考点. date back to 起源于,追溯到
The oldest discovered fossil of the modern platypus dates back to about 100,000 years ago. 已发现的最古老的现代鸭嘴兽的化石可以追溯到大约10万年前。教材原句
拓展知识
date back to = _____________,常用________,一般不用于________。作后置定语时,常用__________形式
完成句子小试牛刀
1. 我从学生时代就开始爱好集邮。
My interest in stamp collecting _________________ / _________________my schooldays.
2. 那个专家说这座寺庙历史悠久,可追溯到初唐时期。
According to the expert, the temple has a history ______________ / _____________the early Tang Dynasty.
考点. exist vi. 存在;生存;生活
come to exist 开始形成,出现
As he studied these, he asked himself the question: how did different species come to exist? 当他研究这些时,他问自己一个问题:不同的物种是如何形成的?教材原句
拓展知识
exist on ____________________
existence n. ____________________ bring/call into existence ______________
come into existence ____________________ in existence ______________________
put out of existence ________________
选词填空: defend, guard, protect小试牛刀
1. 世界是什么时候产生的?
__________________________________________________________________________
2. 我靠我挣的工资简直难以糊口,根本无钱享受。
__________________________________________________________________________
考点. adapt v. 适应;改编
adapt (oneself) to (使……)适应于……
Maybe animals evolved as they adapted to their changing environments? 也许动物是在适应不断变化的环境时进化了?教材原句
拓展知识
adapt sth. from __________________ adapt...for... ______________________
adaptable adj. __________________
adaptation n. __________________
完成句子小试牛刀
1. 他适应了寒冷的天气。
He __________________________________the cold weath