潮汐能电站的型式有哪几种？
参考答案：单库单向式、单库双向式、双库单向式、发电结合抽水蓄能式
_______ greatly by what he had heard and seen, he made up his mind to stand on his own feet again.
A．Inspiring
B．To be inspired
C．Being inspired
D．Inspired
解放战争时期，人民解放军歼灭或改编国民党军队共150多万人、基本消灭国民党主力的三大战役是______。 ①辽沈战役 ②淮海战役 ③平津战役 ④渡江战役
A．①②③ B．②③④C．①③④ D．①②④
