题目

    The aim (目的) of students who come to school is to study. But studying requires (需要) a right way, or you waste either the time or the money. The following are the ways of studying.     The best time for reading is morning, because in the morning, the air is fresh and the mind is clear. For that reason, we can get good results (结果).     In studying we must have patience (耐心). If we have not known a text well, we must read it again. We shouldn’t read the next one till we have understood the first one.     When we are studying, we must put our hearts int氢气是理想的清洁、高能燃料。水分解可获得氢气和氧气。（1）下图中，产生氢气的试管是______（填“1”或“2”）。（2）我国开发出一种新型催化剂，实现了在光照下分解水，反应的化学方程式为_____________。