—How many foreign workers are there in your company?—There are five, three _______ and two _______.
A:German; Frenchman
B:Germans; Frenchmen
C:Germany; French
D:Germany; Frenchmen
近代社会的到来,在政治上的特征就是法治取代人治,议会成为国家权力的重心,最早体现这一特征的事件是( )
“11: 45”reads(读作) ____.
对于函数f(x)=sinπx,x∈0.212fx-2,x∈2,+∞,有下列4个命题:
①任取x1、x2∈0,+∞),都有|f(x1)﹣f(x2)|≤2恒成立;
②f(x)=2kf(x+2k)(k∈N*),对于一切x∈0,+∞)恒成立;
③函数y=f(x)﹣ln(x﹣1)有3个零点;
④对任意x>0,不等式f(x)≤kx恒成立,则实数k的取值范围是98,+∞).
则其中所有真命题的序号是____