汽车匀速直线上坡的过程中，各物理量随时间变化关系正确的是（   ）

在密闭容器中，5mol H₂与2mol CO₂发生反应：3H₂（g）十CO₂（g）≒CH₃OH（g）+H₂O（g）反应达到平衡时，改变温度（T）和压强（P），反应混合物中甲醇（CH₃OH）的物质的量分数变化情况如图所示下列说法错误的是（　　）

    There're five members in my family—my parents , my grandparents, and me . My mother is a teacher. She teaches Chinese in our school. She likes music. My father is a teacher, too. He teaches art in the Guang Ming primary school. He likes going hiking. My grandmother is a worker. She likes reading books. My grandfather is a scientist. He likes playing chess. I am Betty. I'm in Shi Yan primary school. I like singing and dancing. Look! I have a happy big family. Isn't it?

求证：AC=CD．