冠状动脉粥样硬化次要危险因素错误的是()
A.遗传因素
B.工作紧迫感
C.糖尿病
D.肥胖
E.西方的饮食方式
参考答案:C
从0,1,2,3,4,5,6,7,8,9这10个数字中任取3个不同的数字构成空间直角坐标系中的点的坐标(x,y,z),若x+y+z是3的倍数,则满足条件的点的个数为( )
A.252
B.216
C.72
D.42
Which of the following is tree about Lufthansa’s first-half net profit a. 392 million euros. b. 16.8% more than that of last year. c. 39 million euros. d. 105 million euros.