关键句 型 1. You must be aware that it's here that we found evidence of some of the earliest people who lived in this

part of the world.

想必你们都清楚，正是在这个地方我们找到了居住在世界上这个地区的最早人类的证据。

2. I'm sorry to interrupt you but how could they live here?

对不起，打断了你的讲话。但他们怎么能住在这个地方呢？

3. 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。这意味着他们可能整个冬天都在烧火。

4. I'm sure they were quite heavy to cut and sew together.

我想它们剪裁并缝起来一定很重。

5. Our evidence suggests that they did wear clothes made from animal skins.

我们有证据表明他们的确穿的是兽皮制作的衣服。

6. Yes, indeed, as the botanical analyses have shown us, all the fields around here used to be part of a

large shallow lake.

很对，植物学家分析结果明确告诉我们这儿四周曾经是一个很大的浅水湖。 【答案】　

重点单词

重要短语

1. regardless of　 2. at most　 3. cut up　 4. 意识到　 5. 吓跑　

6. 生火 7. 阻挡，挡住 8. 在乎，关心

之重点单词

1．alternative n．可能的选择　adj．供选择的；其他的

☞The manager said that they had an alternative plan if the plan they had submitted was not accepted.

经理说如果他们递交的计划不被接受，他们还有另外一个计划。

☞The sun shone, having no alternative, on the nothing new.

别无选择，阳光依旧照射着陈腐的一切。

☞P56)You can be paid in cash weekly or by cheque monthly；those are the two alternatives.

你的工资可以按周以现金支取，或按月以支票支取。二者可选其一。

【知识拓展】