能源危机日益加剧，开发和利用新能源成为当务之急．目前大力推广太阳能和核能，太阳能是____ 能源（选填“一次性”或“二次性”）．核电站是利用原子____ （选填“核聚变”或“核裂变”）释放的能量工作的，该能源属于____ （选填”可“或“不可”）再生能源．

If someone spends his or her time, effort and money writing a book, for example, he or she deserves _______ for it.

①RNA聚合酶    ②解旋酶    ③ATP水解酶    ④ATP合成酶．