【单选题】40岁以上冠心病患者为避免高危损伤性运动,不宜选择的运动是
【单选题】第一代手机(1G)是指模拟的移动电话,也就是在20 世纪八九十年代香港美国等影视作品中出现的大哥大、最先研制出大哥大的是哪个公司?( )
【单选题】主轴转速n(r/min)与切削速度vm/min)的关系表达式
【判断题】要构建党统一指挥、全面覆盖、权威高效的监督体系,把党内监督同国家机关监督、民主监督、司法监督、群众监督、舆论监督贯通起来,增强监督合力。()
【单选题】What does Lucia Dunn think might be a risk for the credit card issuing banks?
A.
They go bankrupt as a result of over-lending.
B.
They lose large numbers of their regular clients.
C.
Their clients leave their debts unpaid upon death.
D.
Their interest rates have to be reduced now and then.
【单选题】关于匈奴的起源,下列哪个说法是正确的?( )