Step Two:1)fall . rise

单词学习：

2) 1.facility. washing facilities 2.lecture. attend a lecture give a lecture 3.department

the English department. The physics department. 4.astonished astonishing

短语学习：

1.make discoveries.

discovery-------discoveries.

　　　 2. in the area of---

In the area of education

　　　　　　　　　　3.be proud of ---

My mother is very proud of me.

4.either----or

5.应该，理应

C

Step Three : 1.我不明白，他怎么会干那种事？

2.D

3.B

Step Four:

1.The washing machine that my parents bought last

week is the latest.

2.I like my school, which is famous for its excellent facilities.

3.You can study either in the English Department or in the Chinese Department in the university.

Step five:

1. 重点单词

stage expand contract liquid solid gas substance mixture aim react ordinary

2.重点短语