第28题: [单项选择]下列是软膏剂烃类基质的是 A. 羊毛脂 B. 蜂蜡 C. 硅酮 D. 凡士林 E. 聚乙二醇 参考答案:D
第29题: [单项选择]The industry most severely affected by the financial crisis is ______. A. tourism B. banking system C. foreign trade D. private industries 参考答案:A 答案解析:细节理解题 参阅第二段中间“…especially those whose main source of income is tourism.All companies and businesses