题目

完形填空    A little old man and his wife walked slowly into McDonald's  1    a cold winter evening. They ordered one hamburger, some French fries and a drink. A few   2  later, the waiter took the food to their table. The little old man carefully cut the hamburger into halves and   3   the French fries in two piles(堆). Then he neatly put the  4  of the food in front of his wife. He took a sip(啜) of the drink and his wife took a sip. How  5    the old people are! The people around them thought.6   the man began to eat his hamburger and his French fries, his wife sa汽车发动机中生成 NO 的反应为：N2(g) + O2(g)2NO(g)，t℃时，K= 0.09。在 t℃下甲、乙、丙三个恒容密闭容器中，投入 N2(g)和 O2(g)模拟反应，起始浓度如下表所示。起始浓度甲乙丙c(N2)/mol·L-10.460.460.92c(O2)/mol·L-10.460.230.92下列判断不正确的是A.起始时，反应速率：丙＞甲＞乙B.平衡时，N2 的转化率：甲＞乙C.平衡时，c(NO)：甲＝丙＞乙D.平衡时，甲中 c(N2)= 0.4mol·L-1