New Words：
sheet [ʃiːt] n. 床单;被单
blanket [ˈblæŋkɪt] n. 毯子;毛毯
Sample Sentences：
The sheets are 100% pure cotton.
The bed had clean sheets and warm blankets.
She put a blanket over the sleeping child.
To keep warm you need blankets above and below you.
pure [pjʊr] adj. 纯的；纯净的；纯粹的
New Words：
switch [swɪtʃ]
n.转换, 开关
v.改变, 交换, 转换
Sample Sentences：
Do you mind if I switch the radio off?
They switched the train to the other track.
The dates of the last two exams have been switched.
Do you think she'll notice if I switch my glass with hers?
I wish to turn on the light, where is the switch?
Can you reach the light switch from where you're sitting?
New Words：
otherwise [ˈʌðərwaɪz] adv. 否则; 除此以外; 其他方面
Sample Sentences：
He is noisy, but otherwise a nice boy.
Do as you're told, otherwise you'll be in trouble.
Shut the window, otherwise it'll get too cold in here.
You'd better give me my book, otherwise I'll fail my test.
New Words：
toast [toʊst] n. 吐司;烤面包片
toaster [ˈtoʊstər] n. 烤面包机
torch [tɔːrtʃ] n. 手电筒;火炬;火把
Sample Sentences：
Do you mind if I use your toaster?
My torch threw out enough light to see the path.
The coffee was untouched, the toast had cooled.
I want you to stand beside me and hold the electric torch.
New Words：
electric [ɪˈlektrɪk] adj. 电的；用电的；电动的；发电的
electricity [ɪˌlekˈtrɪsəti] n. 电；电能
electrician [ɪˌlekˈtrɪʃn] n. 电工;电器技师
Sample Sentences：
They face death by the electric chair.
Now, more and more people choose to use electric bikes.
We need an electrician to fix our light switch.
Don't leave the lights on it wastes electricity.
There is still no electricity three days after the storm.
It's very wasteful of electricity to have so many lights on at once.
switch [swɪtʃ] n. (电路的)开关，闸