New Words：

sheet [ʃiːt]
n.床单；被单；一张；一层；纸张；薄板
v.覆盖；展开；给…铺床单；铺开

Sample Sentences：

He looked as white as a sheet.
The road was covered with a sheet of ice.
My mother changes the sheets every week.
The little boy is learning how to sheet a bed.
He slid between the sheets and closed his eyes.
The rain was coming down in sheets(= very heavily) .
She wrote her name and address on a sheet of paper.

slid [slɪd] 动词slide的过去式和过去分词

New Words：

artist [ˈɑːrtɪst] n. 艺术家, 美术家, 艺人
museum [mjuˈziːəm] n.博物馆

Sample Sentences：

He is an artist of great name.
The artist's works were displayed at the museum.

We were guided around the museums.
Flashes are not allowed to be used in this museum.

New Words：

link [lɪŋk]
n.链接;联系;连接;纽带;关系
v.联系；把（物体、机器、地方等）连接起来；相关联

Sample Sentences：

The road links all the new towns together.
You can contact me by clicking this link and I will try to help.
Police suspect there may be a link between the two murders.
Can you see any links between the adventure and the children's real life?

New Words：

gloom [glu:m] n. 黑暗, 阴暗, 忧郁
gloomy ['glu:mi] adj. 阴暗的, 忧闷的

Sample Sentences：

His future seemed filled with gloom.
The boys moved off and disappeared in the gloom.

He came to see me in a gloomy winter day.
I can tell by your gloomy face that the news is bad.
It is so gloomy in the room that you should turn on the light.

New Words：

sticky [ˈstɪki] adj. 粘的；黏（性）的；闷热的
toffee ['tɔfi] n. 太妃糖；乳脂糖

Sample Sentences：

What's all that sticky stuff on the carpet?
The afternoon was hot, sticky and airless.
I am uncomfortable because my body is sticky.
He found a toffee in his trousers pocket and gave it to the child.