With over 10 employees ________ suicide one after another, the measures taken by the company ________ ineffective. A. committed; proved
运动着的物体，若所受的一切力突然同时消失，那么它将：A. 立即停止； B. 先慢下来，然后停止；C. 做变速直线运动
如图是跷跷板的示意图，支柱OC与地面垂直，点O是横板AB的中点，AB可以绕着点O上下转动，当A端落地时，∠OAC＝20°，横板上下可转动的最大角(即∠A′OA
单项选择 从A、B、C、D四个选项中选出一个可以填入句中空白处的最佳答案。 In China, _______ date 2013-1-4 has a similar pronunciation to “love you for a lifetime”,
No teacher and no student _____ allowed to use these books. A. is B. are C. has D. have
下列注音中正确的一项是 A．骨（gǔ）气 气氛(fēn) 回溯(shùo) 畏葸(xǐ) B．蝙（biān）蝠 孱(càn)头 岑（cén）寂
—How do you like his wife? —She is ______like a good housekeeper, for the children's room is always in a terrible mess. A．somebody B．nobody C．something D．nothing
下列各句中，句意明确、没有语病的一句是（ ） A．鄱阳湖生态经济区被申报为国家战略，大力发展低碳经济、
