高二 Unit13 教案（Period 2）

S₁₂:Since changes in salinity and temperature affect water’s density,the water in the ocean is always moving.

CStep Ⅲ Further Understanding and Language Study

T:Well done.I think you are very familiar with the passage.In the passage there are some words and expressions we should master.Now let’s look at the screen.I will give you some explanations about the words and expressions.

1.incredibly adv. (extremely or unusually)

e.g.The water is incredibly hot.

2.available adj.(that can be used or obtained)

e.g.Tickets are available at the box office.

The book is available to all the students.

3.range vi.

range from A to B

e.g.Their ages range from 25 to 50.

His interests ranged from chess to canoeing.

4.But the way the water molecule…

e.g.I don’t like the way (in which/that) he looks at me.

They admired the way (in which/that) she dealt with the crisis.