Warming up

思维拓展 

go with 符合，与……一致

tremble with fear 吓得发抖

1.Cover a glass of water with a piece of thick paper.

用一张厚纸盖住一玻璃杯水。

cover…with… 掩盖。例如：

vary with 随……而变化

quarrel with 与……吵架

green with envy 嫉妒得脸色发青

She covered her face with her hands.

她用手掩面。

The mother covered her baby with a blanket.

那个妈妈用毛毯盖着她的婴儿。

Our apple tree is covered with fruit.

思维拓展 

我们家的苹果树硕果累累。

2.Put one hand on the paper and turn the glass upside down.

turn (sb. /sth.) over 翻转

turn inside out 把口袋等由里向外翻

turn up 出现，到场

turn down 调小，关小；衣领往下折；拒绝

turn out 产生……结果

把一只手放在纸上，然后把玻璃杯颠倒过来。

upside down 颠倒地，翻倒过来地。例如：

He turned the room upside down.

他把房间弄得乱七八糟。

Hang upside down from a tree.

从树上倒吊着。

Don’t hold the box upside down.

不要把那个盒子倒拿着。

be filled with相当于be full of。例如：

Her eyes were filled with tears.

她的眼里充满了泪水。

思维拓展 

3.Fill one glass with fresh water and another glass with salt water.

一只杯子装满淡水，另外一只杯子装满盐水。

fill…with… 用……填充……例如：

He filled the shelf with books.

他在书架上塞满了书。

This announcement filled her with excitement.

那项宣告使她满怀激动。

思维拓展 

4.Put an ice cube in each glass.

cubic adj. 立方体的，立方形的

每一个玻璃杯内放入一冰块。

cube n. 立方体，立方体之物。例如：

a sugar cube 一块方糖

The cube of 5 is 125.

5的立方是125。