新核心大学英语B版听说教程3Unit 2.ppt

Unit 2 》Part IV 》Exercise 2 1) 紧急救援人员正一刻不停地搜救着被逐渐上涨的洪水围困的居民， 对洪水中含有高危险放射性物质毫不知情。(unaware of, round the clock, emergency workers) Emergency workers, unaware of the high-risk radioactivity, are working round the clock to save people trapped by rising floodwaters. __________________________________________________ ______________________________________________ ___________ 3. Translate the following Chinese sentences into English. 2) 福岛核危机为我们敲响了警钟，让我们意识到意外是随时都可能发 生的——无论你之前拥有多么辉煌的纪录，无论运作制度是如何的 周全。(no matter how…) The Fukushima nuclear crisis makes people sit up and become aware that accidents can happen anytime— no matter how impressive the record has been and how thorough the system of operation is. ___________________________________________________ _______________________________________________ ____________________________________________________ ___________ Unit 2 》Part IV 》Exercise 2 3) 放射性尘埃会增加空气中铀和氡的浓度。(contribute to, high level) The radioactive dust will contribute to higher levels of uranium and radon. __________________________________________________ _________ 4) 在60 公里以下，电离主要不是由于太阳紫外线和X 辐射引起的，而 是由于宇宙辐射引起的。 (ionization, ultraviolet, due to, not…but…) The radioactive dust will contribute to higher levels of uranium and radon. __________________________________________________ _________ Unit 2 》Part IV 》Exercise 2 5) 但是回到健康问题上，仍有一些移动电话用户一直在关心着手机的 电磁辐射可能引起脑瘤的问题，尽管研究工作并未找到两者之间有 任何联系。(when it comes to…, brain tumor) When it comes to health issues, some mobile phone users are still concerned that radiation from handsets could cause brain tumors, despite research that has failed to find any link. __________________________________________________ __________________________________________________ _____________________________________________ Part V Writing Strategy Summary of Scientific Essays Practice Writing Strategy Summary of Scientific Essays Unit 2 》Part V 1. Read the articles in this unit and discuss how the related