内容正文:
Unit3 Electricity
本课重点
servant trick electricity flow explanation scratch
invisible form energy connect bury
本课难点
connect with和……有联系,和……有关
a packet of sweets 一包糖果
in a way 在某种程度上
be careful with 小心
care n./v. 关心,在意
careful adj.仔细的,小心的
carefully adv.仔细地
care for= take care of= look after 关心,照顾
care about 在意
常考难点
【辨析】contain VS hold两个单词都含“包含,容纳”的意思
encourage sb. to do sth. 鼓励别人做某事
more+ adj. +than…
more十n./phrase十than…
考点1. servant n. 仆人;佣人
e. g. Fire and water may be good servants, but bad masters. [谚]水火是忠仆,用之不慎成灾主。
A politician should be a servant of the people. 政治家应当是人民的公仆。
【知识拓展】 serve v. 服务,待客
e.g. They served the guests a wonderful dinner. 他们以盛宴招待客人们。
service n. 服务
e. g. The train service to the capital is very good. 开往首都的火车服务设施非常好。
考点2. trick v. 欺骗;坑人
e. g. Her tricked me into giving him the money. 他哄骗我给了他钱。
(常与out of连用)骗走,恶作剧
e.g. His partner tried to trick him out of his share. 他的合伙人企图骗走他的股份。
【知识拓展】 trick n. 诡计;骗术,花招
e. g. I can do magic tricks. 我会变魔术。
The children played a trick on their teacher. 孩子们捉弄了他们的老师。
考点3. electricity n. 电
e.g. The power station supplies electricity to this area. 这个电站供应这个区域的电。
【知识拓展】 electrician n. 电工 electric adj. 发电的,由电产生的
e.g. an electric cenerator发电机 an electric plug电源插头 an electric iron电熨斗
考点4.flow v. 流动
e.g. The cars flowed in a steady stream along the main road. 汽车在主干道上不停地驶过。
【常用搭配】 flow away流走;流逝 flow down流下 flow into流入
e.g. Time flows away quickly. 时光飞逝。
Waterfall flows down to the bottom of the hill. 瀑布飞流直下到山脚下。
Rivers flow into the sea. 江河流入海中。
考点5.monthly adv. 每月一次
e.g. A monthly paper is printed every month. We read it monthly. 月刊是每月印刷的,我们按月读它。
We pay the telephone bill monthly. 我们每月付一次电话账单。
【知识拓展】 daily adv. 每天一次,每天地 weekly adv. 每周一次,每周地 yearly adv. 每年一次,每年地
考点6. explanation n. 解释;解说;说明
e.g. The only explanation for his behaviour is that he's mad. 对他的行为的唯一解释就是他疯了。
【知识拓展】 explain v. 解释;说明
e.g. Can you explain why you were late? 你能解释一下你为