题目

The theme park is one of the places ______ people can amuse themselves _____ various amusements without spending too much money.      A. that; with         B. where; by          C. which; through     D. where; with   答案：D下列说法正确的是 A．1mol氧                         B．SO42－的摩尔质量是96g C．3mol小麦                     D．标准状况下，1molO2和N2混合气体的体积约为22.4L