(2)有些表示状态和感觉的动词通常用于一般现在时。这些动词

　　一般不用于进行时：appear，appreciate，be，believe，notice，feel，find，forget，resemble，hear，know，like，look like，remember，see，think，understand等：

　　He's listening to that music! He must like it!他正在听那音乐!他肯定喜欢它!

　　I can't understand this picture.我看不懂这幅画。

　　Can you see any mistakes?你能发现有什么错误吗?

　　I heard some voices.我听到有些说话声。

　　词汇学习 Word study

　　1.notice

　　(1)vt.注意到，察觉到(不用于进行时)：

　　You never notice what's going on around you.你从来不注意身边发生的事。

　　Did you notice him leaving?他离开的时候你发现了吗?

　　I've noticed that it is warmer here than in England.我发现这里比英国暖和。

　　(2)n.注意，察觉：

　　The girl in red caught his notice.那位穿红衣服的姑娘引起了他的注意。

　　(3)n.(书面的)通知，布告，海报：

　　I know there's a meeting, because someone put up a notice outside the Town Hall.我知道有个集会，因为有人在市政厅外面贴了个通知。

　　2.hang vt.，vi.

　　(1)(将……)悬挂，吊：

　　I'm hanging this picture on the wall.我正在把这幅画挂到墙上去。

　　Will you please hang the coat?请把衣服挂起来好吗?

　　A pretty curtain hangs over the window.窗户上挂着一个漂亮的窗帘。

　　(2)垂下：

　　John was very tired. He sat in a chair and hung (down) his head.约翰非常疲倦。他垂着头坐在椅子上。

　　(3)安装……使能转动/摆动：

　　Have you hung the door?你把门装上了吗?

　　3.upside down

　　(1)上下颠倒：

　　When Percy Buttons stands on his head, everything appears upside down to him.当珀西·巴顿斯头顶地倒立时，一切东西在他看来都是上下颠倒的。

　　You've hung the picture upside down.你把画挂倒了。

　　(2)乱七八糟，混乱不堪：

　　My little boy always makes the room upside down.我的小儿子总是把房间弄得乱七八糟。

　　These men have made the whole country upside down.这些人把整个国家搞得一团糟。

　　练习答案 Key to written exercises

　　1.关键句型练习答案

　　A These things always happen： I paint (1.1); people pretend that they understand (11.1-2);they…tell(1.2);We like (1.4);we like (1.5); I think (1.5); children… appreciate (11.5-6);They notice(1.7);she…tells(1.7);Do you like (1.11)

　　(Note: Although the question Do you like it? <1.11> is asked at a particular moment, the meaning of like cannot be restricted to this moment.)

　　These things are happening now： What are you doing (1.10);I'm hanging (1.11)

　　B believe…are joking…don't know…know…believe…forget…looked…are you trying…believe…think…do you live…don't know

　　2.难点练习答案

　　'Look!'she said,'isn't that man drunk?'

　　'I think we should cross the road,'answered her husband.

　　'It's too late now,'she replied.

　　'Eh, you two. Look where you're going,'called the drunk.'Can't you walk in a straight line?'

　　3.多项选择题答案

　　1a 2d 3c 4b 5c 6d

　　7d 8a 9b 10d 11b 12d

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（责任编辑：何莹莹）