A:加压时(体积变小),将使正反应速率增大
B:保持体积不变,加入少许NO2,将使正反应速率减小
C:保持体积不变,加入少许N2O4,再达平衡时颜色变深
D:保持体积不变,升高温度,再达平衡时颜色变深
My name is Bob.Tomorrow is Saturday.We have no classes.My parents aren't going to work,but we are going to be very busy tomorrow.My mother is going to buy something.My father is going to visit my aunt and uncle.I'm going to the bookstore by bus.Then I'm going to buy a dictionary.Tomorrow evening we are going to visit my grandparents and have a big dinner.After that we are going to the cinema.
点P为线段MN上一点,点Q为NP中点.若MQ=6,则MP+MN=( )
下列关于组成细胞化合物的叙述,不正确的是( )