力以赴地研制那种更富光明前景的光子计算机，该机将利用光子而不是电子来提高数据处理的效率。(use．．．for．．，用……来……)
19．With the invention of the electromagnetic generator in the latter part of the nineteenth century，it became possible to convent the energy of burning fuel to electricity which could then betransmitted to distant points for Use．
19世纪末叶，由于发明了电磁发电机，从而有可能把燃烧燃料而获得的能量转变为电能，然后再输送到遥远的地区使用。(convent．．．to．．?，把……转变为……。)
20．If a piece of rock，of anything else，one inch in diameter were magnified to the size of the earth，its constituent atoms would become about the size of tennis balls．
如果把直径为1英寸的一块岩石或一块别的什么东西放大到地球那样大，那么它的组成原子大约会变成网球那么大。(ofanythingdse前后有逗号，是非限定性定语，修饰apiece。)[ 结 束 ]
