第19题:[不定项选择题]Why didn't Reagan take a bus to go to 10th and Sherman?__________ A.He wanted to keep himself warm by walking B.It wasn't too long a distance to get there C.He didn't believe in Bouvier's words D.He was too poor to afford the bus fare 参考答案:D 文章第三段中“Reagan shared with the couple that he was on his way to a shop to interviewfor a job,and he did not have money for bus fare.”得知,里根因为太穷而支付不起坐汽车的费用。
第26题: [单项选择]DAS的核心部件是() A. 模数转换器 B. 数模转换器 C. 信号放大器 D. 数据传送器 E. 探测器 参考答案:A 答案解析:模数转换器是B、C、D的前提与基础,探测器不属于数据采集系统。
第27题: [单项选择]不宜与安宫牛黄丸合用的药物是() A. 亚铁盐 B. 氨苯蝶啶 C. 溴化钾 D. 巴比妥 E. 地高辛 参考答案:A 答案解析:含有砷成分的中药,如雄黄、雌黄、信石以及中成药牛黄解毒丸、牛黄千金散、牛黄抱龙丸、牛黄镇惊丸、牛黄至宝丸、牛黄清炎丸、小儿至宝锭、安宫牛黄丸、小儿惊风散、梅花点舌丹、六神丸、红灵散、七珍丸与亚铁盐、硫