第4题: [单项选择]设x=1,y=2,z=3,则表达式y+=z--/++x的值是( )。 A. 3 B. 3.5 C. 4 D. 5 参考答案:B 答案解析:[解析] 本题考查对运算符优先级的掌握。赋值运算总是等号右边的运算先于等号左边的运算。op++ (op--)表示先取操作数的值,然后再对它进行加1(减1)操作;而 ++op (--op)表示先将操作数
第21题: [单项选择]Questions 16 to 20 are based on the following talk.A. Spanked children don’t respect their parents. B. Spanking teaches children to fear their parents C. Children learn to solve problems with violence. D. Pain helps children learn right and wrong. 参考答案:D 答案解析:[解析] Which of the following statements is TRUE according to the majority view among the parents
第29题: [单项选择]______将会直接影响到招标的质量和招标的成败。 A. 招标时间制定的长短 B. 招标文件编制的优劣 C. 标价拟定的高低 D. 投标人资格审查的好坏 参考答案:B 答案解析:[解析] 招标文件是招标过程中必须遵守的法律性文件,是投标人编制投标文件、招标代理机构接受投标、组织开标、评标委员会评标、招标人确定中标人和签订合同的依据。招标文件编制的优劣将直接影响到招标的质量和招
第30题: [单项选择]干燥器的停止()。 A. 先关闭空气源 B. 后关闭空气源 C. 拉开开关后再关气源 参考答案:A
第32题: [单项选择]According to the author, what theory was previously held and now is being questioned A. That dinosaurs were warm-blooded. B. That dinosaurs had four-chambered hearts. C. That dinosaurs were swifter and stronger than reptiles. D. That dinosaurs were cold-blooded. 参考答案:D 答案解析:第一段前两句话是本文的中心句,以前认为恐龙是冷血动物,但最近的研究得出了相反的结论。