新概念第二册自学导读 Lessons45（1）
新概念一直被视为英语学习的经典教材，新概念英语第二册课文对原有教学法进行调整，更利于学生加强交际能力。每课书相对独立，利于同学们自学。为了让同学们能够更加全面完善的学习新概念英语，新东方在线英语组老师将帮助同学们一起总结知识点~课文详注 Further notes on the text
1.A clear conscience, (标题)问心无愧。
clear在这里的含义为“清白的”、“无罪的”，因此这个短语又可译为“清白的良心”，相当于 a good conscience，反义词为 a bad conscience(感到内疚)。
2.The whole village soon learnt that a largesum of money had been lost. 整个村子很快知道，有一大笔钱丢失了。
(1)village在这里为总称，指“村民”，the wholevillage指“全村的人”，后面通常跟单数动词(有时也可视为复数)：
The whole village was excited by the news.
这消息使全村的人兴奋。
(2)learn在句中的含义为“获悉”、“得知”：
I've just learnt that she was ill.
我刚刚得知她病了。
3.Sam Benton, the local butcher, had lost his wallet while taking his savings to thepost office. 当地的屠户萨姆·本顿在把存款送往邮局的途中把钱包丢了。
taking为现在分词。与动名词相似，它也可以有自己的宾语、状语等。在连词while之后，现在分词短语的作用相当于一个时间状语从句：…while he was taking his savings to the post office。现在分词这样用的前提是两个动词的主语是同一个，并且这两个动作通常是同时发生的：
He listened to music while cleaning the room.
他一边打扫房间一边听音乐。
如果是主语不一致则必须用从句：
He listened to music while I was cleaning the room.
我打扫房间时，他在听音乐。
4.Sam was sure that the wallet must have been found by one of the villagers…萨姆确信那钱包一定是被某个村民捡到了……
must用于对过去已发生的事进行推测时，后面的动词要用完成式：
When I arrived, he wasn't here. He must have left early.
我到这儿的时候他已不在了。他一定早走了。
5.it contained half the money he had lost, 里面有他丢失的钱的一半。
我们既可以说 half the money，也可以说 half of the money，它们可以互相替代，但是money前都必须有the，因为是指特定的钱。再如：
Half the bread/ half of the bread was bad.
这面包有一半已变质了。
6.In time, all Sam's money was paid back in this way. 很快，萨姆全部的钱都用同样的方式还了回来。
(1)in time可以表示“经过一段时间”或“最终”、“迟早”：
In time, he found all the books he needed.
一段时间以后，他找到了他需要的所有书。
I'll tell you everything in time.
我最终/总有一天会把一切都告诉你的。
(2)in this way表示“用这样的方式”：
You must pay attention to your spelling. In this way, you can become a good secretary in time.
你必须注意你的拼写。这样你才能最终成为一个好秘书。
最后祝同学们学习顺利，取得好成绩。还在等什么，快来新东方在线学习吧~
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