学术英语(理工)讲义-课后习题解答包括unit4[文字可编辑].ppt

Unit 4 Writing a Literature Review 2 Writing a self-contained literature review Text 14 Title: Radiation and Health: The Aftershocks of Japan's Nuclear Disaster Author(s): Susan Blumenthal Source: . huffingtonpost Unit 4 Writing a Literature Review 2 Writing a self-contained literature review Text 14 Summary: Susan Blumenthal (2022) aims to inform people of nuclear radiation with scientific facts. She starts the essay with a reference to the worldwide spread of fear in the wake of Fukushima disaster and then explains what radiation is. The explanation is followed by a report of different types of radioactive materials released into the air. She goes on to tell that an exposure to those materials will increase the risks of some major diseases. However, she concedes radiation is not so menacing as was assumed and humans are exposed to naturally occurring radiation efairly day. Whether radiation is harmful to health or not depends on two contexts: the duration and strength of the exposure. She warns that exposure to high doses of radiation can lead to acute health problems. Long-term low dose exposure to radiation is equally fatal. (137words) Unit 4 Writing a Literature Review 2 Writing a self-contained literature review The release of substantial amounts of radiation into the atmosphere from the Fukushima nuclear plant has triggered the widespread concerns over the use of nuclear power and the health effects of radiation exposure. Since The Chernobyl disaster, especially the Fukushima nuclear crisis, many scientists and scholars have attempted to estimate the effect of nuclear radiation on human health. Cohen (2022) believes the fear that nuclear radiation will cause a cancer or other genetic diseases is unnecessary. He made a detailed analysis of the effects of accidents in nuclear power plants, accidents in transporting radioactive materials and escape of radioactive wastes from confinement systems on human health by