第25题: [单项选择]鼠疫杆菌的传播媒介是() A. 鼠蚤 B. 鼠虱 C. 恙螨 D. 蚊 E. 蜱 参考答案:A
第26题: [简答题]星期三是人们一周内情绪最低落的一天,因为此时上个周末已经远去,新的周末还未到来。 参考答案:
Wednesday represents the lowest point in the week as people are furthest away from the weekend that has either just gone or is coming up.