题目

 阅读理解。    One day, I had a bad toothache. I couldn’t eat anything. So I went to see the dentist.  ― What’s wrong with your teeth?  asked the dentist. ― I have a toothache.  I told him.  ― Let me see your teeth „„ Um, there’s a hole（洞）in one of the teeth. Do you eat a lot of sweet food?  The dentist asked me.  ― Yes, I do. I often eat ice cream, biscuits, chocolate and I often drink cola and milk with sugar, I told him. ― All these are bad for your teeth. You must eat less sweet food and brush your teeth at least twice every day. Now如图表示植物光合作用的一个阶段，下列各项叙述正确的是（　　） A、该反应的场所是叶绿体的类囊体B、C3生成C6H12O6需要[H]、ATP和多种酶C、提高温度一定能进C6H12O6的生成D、无光条件有利于暗反应进行