① How much is it? ____ A. OK. Here you are.
② Can I try them on? ____ B. It's $89.
③ Is it too expensive? ____ C. It's very pretty.
④ How do you like this skirt? ____ D. Yes,it is.
苏州园林名满天下,随便走进一个园,那惟妙惟肖的石雕,那巧妙____(决、绝)伦的亭台,那五彩斑斓的池鱼,都会令人心旷神怡。
已知f(x)是定义在R上的单调递增函数,则下列四个命题:
①若f(x0)>x0,则ff(x0)>x0;
②若ff(x0)>x0,则f(x0)>x0;
③若f(x)是奇函数,则ff(x)也是奇函数;
④若f(x)是奇函数,则f(x1)+f(x2)=0⇔x1+x2=0,其中正确的有( )
已知正比例函数y=(3m﹣1)xm2-2的图象经过第一、三象限,求m的值.
—Hi, Bob! Can you tell me ______?
—Sure. The No.5 bus will take you there.