1. Target language 目标语言
a. 重点词汇和短语
glance, widespread, decrease, steady, average, existence, outer, on the whole
b. 重点句式
It is human activity that has caused this global warming. P29
…it is the burning of more and more fossil fuels that is resulting in this increase in carbon dioxide. P26
2. Ability goals 能力目标
Learn about “it” used for emphasis.
