第18题: [单项选择]It was my sad duty to ______ the news of John's death to his family. A. submit B. break C. say D. proclaim 参考答案:B 答案解析:submit提交,递交;break打破;say说讲;proclaim宣布。proclaim一般指较正式的、重大事情的宣布、声明等,用在这里不是很合适,而break除了有打破的意思之外还有告诉、透露点明
第24题: [单项选择]According to the passage, insufficient sleep is harmful in that it can cause all BUT ________of the following. A. poor eyesight B. premature aging C. odd behavior D. loss of orientation 参考答案:A 答案解析:本题为细节归纳题。据第6段第2句中的crankiness(古怪)和disorientation可排除 C和D;据第6段最后1句可排除B。hallow eyes(眼窝凹陷)不等于眼睛近视。
[难点解析