Welcome to the House of Noodles! In our restaurant, we have some great specials. We have different kinds of noodles like mutton noodles and beef noodles. There are some delicious vegetables in the noodles. What size bowl of noodles would you like? A large bowl of beef noodles is only eight yuan. For mutton noodles, a small bowl is five yuan, a medium one is seven yuan and for a large one, it is just ten yuan. You can also order our cabbage and egg noodles for just four yuan. And we have free green tea for you every day. All our noodles are good and at a good price!

综合性学习。

为纪念世界反法西斯战争胜利65周年，班级开展一次以“战争与和平”为主题的综合性学习活动，请你参与准备工作，完成下列题目。

铅蓄电池反应原理为：Pb（s）+PbO₂（s）+2H₂SO₄（aq）   2PbSO₄（s）+2H₂O（l），下列说法正确的是（　　）

核能是人类开发和利用的一种有前途的新能源，下列说法不正确的是（  ）