I can’t _________ his rudeness anymore, so we began to quarrel. A. keep up with B. come up with C. put up for D. put up with
《人民日报》载文指出，改革开放给每个有志者的人生都提供了更广阔的天地，每个从事诚实劳动的人都在时代潮流中实现了自己的人生价值，也找到
下列叙述正确的是 A．固体氯化钠不导电，所以氯化钠是非电解质 B．铜丝能导电，所以铜是电解
假定在一个由草原,鹿和狼组成的相对封闭的生态系统中,把狼杀绝,鹿群的数量将会（ ） A.迅速上升 B.缓慢上升 C.保持相对稳定
2．下列文言文句中，加点词意义用法相同的一项是（ ）（2分） A．①信誓旦旦，不思其反 ②今我来思，雨雪霏霏 B．①枝枝相覆
______improve his oral English, he took part in the summer course A. So as to B. In order to C. So that D. In order that
John Snow was born and worked as a __36__ in Great Britain．Exactly, he was an anaesthetist，37 means that he put people to sleep during operation．He also began to experiment using the same drug
已知25 ℃、101 kPa下，石墨、金刚石燃烧的热化学方程式别为C（石墨，s）+O2（g）====CO2（g）；ΔH=-393.51 kJ·mol-1 C（金刚石,s）+O2（g）====CO2（g）
为等比数列，
，且
，则
= ▲ ．