题目

According to EMTP and Stat Gear CEO Avi Goldstein, every driver should be taught how to get out of a car when it becomes submerged in water. “Accidents and natural disasters often occur so quickly that it’s essential for drivers to be prepared,” says Goldstein. “In this case, preparation is simply knowing what should be done before it happens.”     Goldstein offers the following lifesaving tips:     1.Try to stay calm. The worst thing you can do is become overly agitated and panicked.     2. Don’t try to open the door. This will cause the car fill with water very q下图为绿色植物体内代谢过程中物质变化的示意图，1 、2 、3 分别表示不同代谢过程。 （1）1表示的代谢过程是              ，发生场所 是                     ，写出该过程的总反应      式                             。 （2）2 发生在         上，X代表的物质是       ， 作用是                             。2中产 生的O2用于1 的第         阶段。 （3）3过程包括的物质变化                       ， 3过程可为2过程提供                 。 （4）若用放射性同位素标记H2O中氧，然后供给植物，则一段时间后图中含有放射性的物质有                           。