[单项选择]Questions 21 and 22 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. In the firefight ______ Hamas militants were killed. A. 2. B. 4 C. 1 D. 6
参考答案:live now and pay later/use tomorrow’s money/spend more money than they can afford/spend more money than necessary/spend more money than they dO without them
答案解析:根据第一句中的they are still regarded with suspicion by many as being a major part of the“live now pay late
第21题: [单项选择]已知语句int m=10;则下列表示引用的表示中正确的是 A. int &x=m; B. int &y=10; C. int &z; D. float &t=&m; 参考答案:A 答案解析:[解析] 引用比较特殊,即必须指向一个已有的同类型变量。引用是已有变量的别名,故选项 C是错误的,选项D中变量类型不同,而选项B中是常数。
第22题: [多项选择]新生儿易溢乳的原因,下列哪些是正确的?() A. 食管无蠕动 B. 胃贲门括约肌不关闭 C. 喂养不当 D. 胃呈水平位 E. 胃下垂 参考答案:A, B, D