第1题: [单项选择]The discussion was so prolonged and exhausting that ___________the speakers stopped for refreshments. A. at large B. at intervals C. at ease D. at random 参考答案:B 答案解析:at intervals是“不时,时时”。A.at large是“逍遥法外,未被捕获”;C.at ease是“自在,合适”;D.at random是“任意,随机”。
A. Are All Drugs Terrible for You B. Do People Believe What Underground Papers Say . C. Is There an Increased Awareness of the Risks of Drugs D. Can Persuasion Reduce Drug Abuse 参考答案:D 答案解析:综观全文,尤其从第一段第一句(略)和第二段第一句"Although persuasion can work for some people if it is balanced and reasonab