②The two groups had a face-to-face discussion.
两组进行了面对面的讨论。
6. What was the problem with this method?
这种方法有什么不足吗？
method和way的区别。
①method方法，方式 (way of doing sth )指相当精心拟订的一组方法，并强调实施的效率和精确性。
eg. We are studying a new method of teaching English.
我们正在研究英语教学的新方法。
What’s the best method of cooking beef?
烧牛肉的最好方法是什么？
②way手段，方法 (manner, how to do sth )比method更为通用，可指单一的技巧也可指复杂的操作方法，还可以指一些人处理某一问题所采用的特殊方法。
eg. Do it (in )this way. 照这样做。
There are many ways of doing it.
做这件事有很多方法。
7. After you printed the book, you had to throw away the carved pieces of wood.
书印好之后，刻过的木板就只有扔了。
throw away“扔掉”“抛弃”。
eg.①These old books are valuable. Don’t throw them away.
这些旧书很珍贵，别把它们扔了。
②Let’s throw these old furniture away; we should get new ones.
这些旧家俱该扔了吧；我们该买新的了。
8. What did people use for keeping records in the past.
过去人们用什么作记载呢？
(1)keep a record 作记录 keep a diary 记日记 keep promise 守约 keep rules守规则 keep
a secret保守秘密
eg. ①It’s good for you to keep a diary every day
每天记日记有好处。
②Every one should keep promise.
每个人都该守约。
(2) in the past在过去，以往。反义词是：in the future.
eg. ①People used to light rooms with oil lamps in the past. Now they use electricity.
人们过去用油灯照明，如今都用电了。
②They suffered too much in the past, but now they live a happy life.
以前他们遭受了很大痛苦，现在过着快乐的生活。
9. The Chinese have been making paper for two thousand years.
中国人造纸已有2000年历史了。
have been doing现在完成时，表示一个动作从过去某时开始，一直 《高一英语第二十单元》出自：www.89xue.com网
www.89xue.com 延续到说话时还在继续进行，或可能继续下去，常与表示一段时间的状语连用，如：for two hours, since early morning, these few days等。
eg. ①It has been raining for three days.
雨下了三天了。
②We have been waiting for almost an hour.
我们在这儿等了几乎一个小时了。
10. As a result of this invention, much is known about Chinese history because records were kept on paper. 由于这项发现，很多东西被记载在纸上，中国的历史更多的被世人所了解。
much和much of指不可数名词，作主语时，谓语用单数。
eg. ①Much of the time was wasted.
很多时间被浪费掉了。
②In much of China, spring is usually very short.
中国很多地方，春季通常很短。
11. As there was no paper in these countries, no records were kept.
因为那些国家没有纸，没法做记录。
as的用法
①As he was ill, he didn’t go to school.
因为病了，他没去上学。
②As you are tired, you’d better rest.
因为你累了，最好休息。
③He reads as he goes along.
他边走边看。
④Do as you are told.
按告诉你的去做。
⑤The work is not so easy as you imagine.
这工作绝不像你想的那么简单。
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