【简答题】149 million people out of the US total population of 299 million.
【单选题】Nowadays ______people are out of work.
【单选题】Basketball is played by more than 100 _____ people in the world. [ ]
【简答题】( )揭露了日本吞并华北进而独国的阴谋,打击了的妥协投降政策,标志着中国人民抗日救亡新高潮的到来。
【单选题】下列关于闭合电路的说法中, 错误 的是( )。