题目

先阅读短文，然后在空白处写出各单词的适当形式，首字母已给出。 One day my father and I went shopping at a（1）s             ．We drove our car because we had a lot of things to（2）b             ．We stopped the（3）c             in front of the shop．An hour later we came back to our car with a（4）l             of things．Then we had a（5）p             ．We couldn't（6）o             the door of the car．Oh, I said to my father, What shall we do? Let's ask that（7）p   11．图是一套检验气体性质的实脸装置．向装里中缓慢通入气体X．若关闭活塞，溉清石灰水变浑浊；若打开活塞，则品红溶液褪色，据此判断气体X 和洗气瓶内的溶液Y可能是（　　）A．X是SO2，Y是饱和NaHCO3 溶液B．X是H2S，Y是浓H2SO4C．X是CO2，Y是Na2SO3 溶液D．X是Cl2，Y是Na2CO3溶液