大学体验英语3第三版课后答案解析.doc

WORD文档下载可编辑 专业资料整理分享 Unit 1 4. Fill each of the blanks with an appropriate word. I found a tree frog in my studio some months ago. I took it to my greenhouse ? , as I thought it would be a better place for the frog.But it came back and insisted taking the residence ? in the studio. Why? I couldn’t get an idea. Then, after five months of being together, we seemed to be able to communicate ? with each other. It may sound wired ? , but I did feel I came to understand what it wanted me to do. The frog came to me probably attracted by the humming ? tone of my computer, which sounded like that of other tree frogs, or with a message ? to tell me that frogs were dying around the world because of their sensitivity ? to the pollution and global climate change. As frogs are an“ indicator ? species”, what has happened to them may happen to us, if we sit back and do nothing. We must act now, or it would be too late. 六、 audio 声音的，听觉的 boundary 分界线 cup (v.) 使成杯状（捧起） decade 十年 directly 直接的 focus 集中注意力 overtake 追上，赶上 species 品种，物种 subtle 细致的，细微的 tone 音色，音质 1.The essayist’s language expresses rich and subtle meanings. 散文的语言表达丰富而细微的含义。 2. The stockbrokers were overtaken by the sharp drop in the stock market last Tuesday. 股票经纪人在上周二股票下降的时候投入的股票。 3. Biologists have estimated that there are around one million animal and plant species living and growing in the rainforests. 生物学家估计，有大约一百万的动物和植物物种生活在热带雨林增长。 4. In the United States the cost of living has been steadily rising in the past few decades. 在过去的十年美国的生活消费稳定的上涨。 5. The quickly growing company has ambitious plans to expand beyond national boundaries. 快速成长的公司制定了雄心勃勃的扩张计划超出国界。 6. That computer store is having a sale of audio software; let’s go and have a look. 电脑商店正在出售的音频软件;让我们去看一看吧。 7. To be safe, you may put on your dark glasses to avoid the sun shining directly into your eyes. 为了安全起见,你可以戴上你的墨镜避免阳光直射你的眼睛。 8. When the kitchen is finished, I’m going to focus my attention