补充注释 Unit 5 Meeting your Ancestors

Unit 5 Meeting your ancestors补充注释1. alternative n. something that you can choose to do or use instead of something else替换物There are some alternatives to our plan. 有几种方案可以代替我们的计划。He had no alternative but to go there alone. 他别无选择，只好一个人去那儿。2. interrupt vt.vi. to stop someone saying or doing something by suddenly speaking to them, making a noise打断；中断Dont interrupt him, for he hasnt finished yet. 别打扰他，他还没完成呢。His studies were interrupted by the war. 他的学习由于战争而中断。3. assume vt.1）to think that something is true although you have no proof of it假定；设想The scientists assume that there are no animals on the moon. 科学家设想月球上没有动物。2）to pretend装作She assumed a look of surprise. 她装出一副吃惊的样子。4. regardless of: without being affected by different situations, problems, etc不管；不顾He climbed the building, regardless of the danger. 不管有多危险，他还是爬上了大厦。5. cut up: cut something into small pieces切碎The worker cut up the wood. 工人将木头劈碎。Early man used stone tools to cut up animals. 早期人类用石器切割动物。6. You must be aware that its here that weve found evidence of some of the earliest people who lived in this part of the world. 想必你们知道，正是在这儿我们找到了居住在世界这个部分最早人类的证据。You must be aware that主句后接由强调旬和定语从句组成的宾语从句。Its here that weve是强调句。又如：It was your mother whom I met in the street. 我在街上碰到的是你的母亲。It was in the street that I met your mother. 我是在街上碰到你母亲的。who live in this part of the world是定语从句，修饰people。aware adj. 意识到的；知道的。通常用作表语，例如：We should be aware that a lot of animals are becoming endangered. 我们必须清楚地认识到许多动物正濒临灭绝的危险。be aware of sth知道；意识到。例如：Though most smokers are aware of the dangers of smoking, they wont give it up. 尽管大多数烟民都知道吸烟的危害，可他们还是不愿戒掉。7. So we think it is reasonable to assume they lived in these caves, regardless of the cold. 因此我们有理由认为他们不顾寒冷住在这些洞穴里。regardless of the cold不顾寒冷8. That would have kept them warm, cooked the food and scared wild animals away as well. 他们用这火取暖、做饭，还能用火吓跑野兽。would表示猜测，译为“想必”、“肯定会”。9. We have been excavating layers of ash almost six metres thick, which suggests that they might have kept the fire burning all winter. 我们一直在挖掘一层层的积灰，几乎有六米厚，这说明他们可能整个冬季都在烧火。have been excavating现在完成进行时，意思是一直在挖，表示过去发生的动作一直不问断地进行到现在。suggest vt. 表明。又如：His face suggests he is happy now. 从他脸上能看出他现在很幸福。suggest也可以表示“建议”，从句动词通常用虚拟语气形式。例如：I suggested that he（should）go at once. 我建议他马上去。10. and so well preserved. 还保存得如此完好。这是省略的句子，完整句应是：and it is so well preserved（it指necklace）11. Undoubtedly there were fish swimming in it. 毫无疑问，湖里当时是有鱼的。Undoubtedly = it is true that, it is undoubted that. . . . 12. If only it could be just like last year. 要是能像去年那