第7题: [单项选择]蔬菜水果含有下列较丰富的维生素和无机盐,除了() A. 胡萝卜素 B. 维生素B C. 维生素C D. 维生素D E. 钾、钠 参考答案:D 答案解析:蔬菜水果富含各种维生素和无机盐。鱼肝油中含丰富的维生素D。
第8题: [单项选择]根据《失业保险条例》,失业人员领取失业保险金的期限根据其失业前所在单位和本人累计缴费时间长短的不同,划分为( )个档次。 A. 1 B. 2 C. 3 D. 4 参考答案:C 答案解析:[解析] 根据《失业保险条例》,失业人员领取失业保险金的期限根据其失业前所在单位和本人累计缴费时间长短的不同,划分3个档次:一是累计缴费时间满1年不足5年的,最长能够领取12个月的失业保险金;二是累计
第21题: [多项选择]下列场所中,宜选择感温探测器的是( )。 A. 吸烟室 B. 有大量粉尘 C. 无烟火灾 D. 相对湿度经常大于50% 参考答案:A,B,C 答案解析:[解析] 点型火灾探测器的选择
第22题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Once a week. B. Twice a week. C. Three times a week. D. Four times a week. 参考答案:C 答案解析:[听力原文]
M: Your son seems to have made much progress in playing the piano. Does he attend any piano
第25题: [单项选择]What does Nancy like best about her job A. Seeing interesting buildings in the city. B. Being able to enjoy the world of nature. C. Driving in unsettled weather. D. Taking long drives outside the city. 参考答案:B