Period Two　Word power & Grammar and usage

Part Ⅰ　Language Focus

Ⅰ.单词自测

1.electric adj.电的，电动的

electricity n.电

2.clay n.黏土，陶土

3.liquid adj.& n.液体(的)

4.powder n.粉末；火药

power n.力量，统治

powerful adj.强大的；强有力的

5.accuse vt.控诉，控告；谴责

6.fade vi.逐渐消失；(使)变淡；走下坡路，衰落

Ⅱ.短语自测

1.play an important role in在......起重要作用

2.set up创立，建立

3.make a profit获利，赚钱

4.end in以......结束

5.last but not least最后但同样重要的

6.work out计算，算出

7.at any time在任何时候

8.take part in参加，参与

9.concentrate on集中精力于

1.electric

[语境感悟]

(1)(教材P49)The Electric Wear Company has developed a new smart jacket this year.