小峰身高1.70cm,眼睛距头顶8cm,直立在水平地面上照镜子。如果他想从竖直挂在墙上的平面镜里看到自己的脚,这面镜子的底边离地面的高度不应超过_______m。
0.81
-----What do you think of their marriage?
-----_______ , if I were Kate, I wouldn’t marry him.
A.Generally speaking
B.I have no idea
C.To be honest
D.To my surprise
给出下面程序段: if(x>0){System.out.println("Hello.");} else if(x>-3){System.out.println("Nice to meet you!");} else{System.out.println("How are you");} 若打印字符串“How are you”,则x的取值范围是【 】
A.x>0
B.x>-3
C.x<=-3
D.x<=0&x>-3