词 汇 1. 四会词汇

Alternative, tentative, accuracy, interrupt, assume, regardless, centimeter, sharpen, ample, primitive, preserve, botany, botanical, analysis, specific, specifically, seashell, category, significance, somehow, systematic, yogurt, radioactive, radioactivity, applaud, accelerate, arrest , dizzy, relief, division, affection, affectionate, patient(adj.), skilful, punctuation

2. 词组

regardless of, cup up , look ahead

语 法 1. 复习动词时态 （Revise the verb tenses）

2. 学习现在完成进行时态 ( Learn the Present Perfect Continuous Tense)

We have been excavating here for many years.

How long have you been driving?

What have you been doing these years?

分课时教学设计：

The First Period Speaking and Listening

Teaching goals 教学目标

1. Target language目标语言：

重点词汇和短语

archeology, accurate, radioactivity, chronological, excavation, identity,