这是他们无私奉献、热爱祖国的精神，应该值得我们去学习，为了自己的祖国，他们感到，牺牲自己也是值得的。

This is the spirit of selfless dedication, love the motherland, they should be worth us to learn, to his own country, they feel, sacrifice is worth it.

youdao

如何在高中阶段开展合作学习？高中物理合作学习适用哪些模式？这是值得我们潜心思考的现实问题。

Then how can we carry out Cooperative Study in senior high schools? Which modes are suitable for students of physics? We have to think them over.

youdao

如何在高中阶段开展合作学习？高中物理合作学习适用哪些模式？这是值得我们潜心思考的现实问题。

Then how can we carry out Cooperative Study in senior high schools? Which modes are suitable for students of physics? We have to think them over.

youdao