U3
1heat energy热能
2moving energy动能
3sound energy声能
4light energy光能
5a dangerous servant一个危险的仆人
6a packet of sweets/tea/cigarettes/electricity一包糖/茶叶/香烟/电
7get sb. sth. / get sth. for sb.为某人拿某物
8at last/finally/in the end最后,终于
9look foolish /silly / stupid看上去很愚蠢
10in packets论包(买、卖)
11flow through a wire在电线里流动
12a small amount of/a large amount of少量/大量(修饰不可数名词)13a small number of/a great number of少量/大量(修饰可数名词)14a bill for sth.一张…的帐单
15in a way在某种程度上
16much more dangerous危险得多
17be careful with sth.小心对待某事
18scratch one's head抓挠某人的头
19change / turn A into B把A变为B
20be invisible (to sb. / one’s eyes)是看不见的
21different forms of energy不同的能量形式
22think of an example举出一个例子
23a light bulb一个电灯泡
24be connected to被连接到……
25be buried under the street被埋在街道底下
26call A B把A称作B
27a power station一个电站
28come back to sp./ return to sp.返回某地
29make/produce electricity发电
30explain sth. to sb.向某人解释某事
31receive sth. from sb.收到某人的某物
32try to do sth.试图做某事
33be sure that…确信……
34ride a bicycle骑自行车
35drive a car开车
36play chess下棋
37play the guitar弹吉他
38turn on/off//switch on/off打开/关掉
39be replaced with 被……替代
40as well as同样,也
41tell sb. what (not) to do告诉某人什么该(不)做42turn left/right左/右转
43make a noise吵闹,喧哗
44ask for/give permission征求许可/准许
45electrical appliances家用电器
46a problem with the electricity一个关于电的问题
47go off消失
48deal with sth.处理某事
49between A and B在A和B之间
50air conditioner空调
51washing machine洗衣机
52vacuum cleaner吸尘器
53rice cooker电饭堡
54all over the world遍及世界
55take a look at sth.看一看某物
56believe in相信
57safety first安全第一
58cover the meat把肉盖好
59lock the door锁门
60look through the peephole透过猫眼看
61pick sth. up /pick up sth.捡起某物
62test the water测试水温
63make rules制定规则
64encourage sb to do sth鼓励某人做某事
65stop sb from doing sth阻止某人做某事
66find sb doing sth发现某人做某事
67decide to do sth决定作谋事
68answer the telephone听电话
69lean out of sth.向外倾斜
70read comics读连环书
71keep sth tidy保持某物的整洁
72be polite to sb对某人有礼貌
73dress properly穿着整洁
74in one way or another以这样或那样的形式
75all kinds of goods各种各样的商品
76get a job as a security guard获得了当一名安保的工作77ask sb. to do sth.让某人做某事
78a set of rules一系列规则
79put on the noticeboard贴在公告栏上
80be allowed/permit to do sth.//be not allowed/prohibit to do sth.(不)被允许做某事
81of any kind任何的
82obey/break the rule遵守/破坏规定
83public transport公共交通工具
1What does he look like?他长什么样?2What is he like?他人怎么样?
1servant n. serve v. service n.
2laugh v. laughter n.
3really ad. real a. realize v.
4foolish a. fool n.&v. ant. wise
5monthly ad. (=once a month / every month) month n.
6explanation n. explain v.
7energy n. energetic a.
8connect v. connection n.
9(im)politely ad. (im)polite a. politeness n.
10contain v. container n.
11invisible a. visible a. vision n.
12change v.&n. changeable a.
13power n. powerful a. powerless ad.
14electricity n. electric a. electrical a.
15measure v. measurement n.
16produce v. product n. producer n.