精选优质文档-倾情为你奉上M5 Unit1 Great Scientistslift up 托起explain (sth) to sb 向某人解释 explain sb sth ( )as the environment changed 随着环境的改变physical characteristics 身体特征 keep sb safe 保证某人安全put forward a theory 提出一种理论examine a new scientific idea 检验一个新的科学想法draw / arrive at / come to / reach a conclusion 得出一个结论 此处a 并不固定，若有修饰时要改为 themake up a question设计问题analyse the results 分析结果attend to 处理；照顾； 专心于eg: I have some important things to attend to. 我有些重要事须处理。 If you go
