第6题: [单项选择]At first he refused to admit his guilt, but when he was shown the evidence he ______ and confessed. A. broke up B. broke out C. broke down D. broke away 参考答案:C 答案解析:[分析] break down“(健康、精神)垮下来”;break up“打碎”;break out“突然发生,爆发”;break away“突然离开,放弃”。本题意是:起初他拒不认罪,但向他出示证据
第23题: [单项选择]以下类中,不具有缓冲功能的是( )。 A. BufferedInputStream B. MappedByteBuffer C. ObjectOutputStream D. BufferedReader 参考答案:C 答案解析:[解析] 一般带有“Buffer”的流类都具有数据缓冲功能。