题目

Though she  _______for a moment, she finally went in and asked to see a dress that was in the window.  A .dared    B. nerved    C. wondered    D. hesitated 答案：D 解析: 略用氯化钠固体配制一定质量分数的氯化钠溶液，必须使用的一组仪器是A．天平、烧杯、量筒、玻璃棒、药匙B．天平、烧杯、量筒、铁架台、药匙C．天平、烧杯、漏斗、蒸发皿、玻璃棒D．天平、集气瓶、漏斗、蒸发皿、玻璃棒