题目

---I tried to pass the driving test, but I failed. ---         . Good luck to you next time. A. That’s great       B. It’s interesting   C. That’s a pityD. Glad to hear that 答案：C  汽油的燃烧值是4.6×J/kg，它的物理意义是_________汽油完全燃烧，放出的热量是_________J．要想得到9.2×J的热量，至少要燃烧_________g汽油．