题目

一定质量的理想气体的温度从T1降到T2，若等压过程内能减少△E1，等容过程内能减少△E2，等压过程中放出的热量Q1，等容过程中放出的热量Q2，则有（）A．△E1＞△E2，Q1＞Q2 B．△E1＝△E2，Q1＞Q2C．△E1＜△E2，Q1＜Q2 D．△E1＝△E2，Q1＜Q2 答案：BI ________ you a CD player as a gift, but I hadn’t enough money．A.was going to have boughtB.was to have boughtC.was to buyD.would buy