Teaching goals 教学目标
1. Target language 目标语言
a. 重点词汇和短语
archaeology, tentative, accuracy, excavate, interrupt, ornament, assume, regardless, sharpen, cut up, scrape, ample, primitive, preserve, bead, botany, botanical, analysis, specific, seashell, specifically
b. 重点句型
I’m sorry to interrupt you but how could they live here?
We have been excavating layers of ash almost six meters thick, which suggests that they might have kept the fire burning all winter.
Yes, indeed, as the botanical analyses have shown us, all the fields around here used to be part of a large shallow lake.
That’s why they are called hunters and gatherers.
