最早采用测距枪的坦克炮中采用的测距枪的口径是多少() ["7.62毫米","12.7毫米","13.4毫米","都不是"]
唾液即通常所说的“口水”,是从哪里分泌出来的?() ["A、舌 ","B、口腔黏膜 ","C、涎腺 ","D、牙龈"]
党必须适应形势的发展和情况的变化,(),增强执政能力。 ["改进领导方式","提高领导水平","完善领导体制","健全领导机制","改变领导作风"]
抗(抑)菌剂产品禁止标注哪些内容() ["高效","消炎","减轻或缓解疾病症状","无检验依据的抑\/杀微生物类别","预防性病"]
对于记录型信号量,在执行一次P操作时,信号量的值应当为减1;当其值为()时,进程应阻塞。 ["大于0","小于0","大于等于0","小于等于0"]
梁武帝第一次舍身,朝廷和公卿集了多少钱给同泰寺?