12.in fact 实际上，事实上。用作状语，用于强调或订正前句。 Eg. He doesn’t mind. In fact he is pleased. 13.look around = look round “四下环顾” vt./vi.
Eg. Look around you before crossing the streets. 朝各方向看看 Don’t look around when you study. 学习时，别东张西望 14.furniture 不可数名词（集合用法）表示件数时用piece Eg. We don’t have much furniture. 有多少家具
They bought a few pieces of furniture yesterday. 买了几件家具 15.be made of “由……制成” 制成品能看出原材料 be made from 制成品看不出原材料 Eg. The shirt is made of silk. Paper is made from wood.
16.imagine vt. “设想；想象” 不可用于进行时；不可跟动词不定式 imagine +名词/动名词/宾语从句
Eg. Can you imagine the life without electricity? I can’t imagine what he looks like.
17.cut down “把……砍到” Eg. It is not right to cut down the trees. 18.millions of “无数的，成千上万的”
19.stop sth./doing 停止某事/做某事 (停止做正在做的事情) Eg.Did he stop work/working late last night? He can’t stop thinking about it.
stop to do 表示中断现在的行动或活动去做另一件事。不定式to do表示目的 Eg. She stopped reading and closed the book. I stopped to read the newspaper.
20.pay attention to 注意……
Eg. You must pay attention to this problem. She asked the boy to pay attention to his spelling. 21.use...to make = use...for making
Eg. We use wood to make a table.=We use wood for making a table.用木材制作桌子 22.be good for “对……有好处，对……有益处” Eg. Sports will be good for her health.
23.【短语】as a result 结果，因此 according to 根据 the habit of drinking tea 喝茶的习惯 the Tang Dynasty唐朝
Key grammar 现在进行时态 一、现在进行时的用法
1、表示说话时正在进行或发生的动作。如： I’m babysitting my younger brother. 我在照看我弟弟。 It’s raining outside. 外面正在下雨。
2、表示现阶段一直在进行或不断重复的动作，但说话时该动作并不一定在进行。如： He’s watching an interesting TV play