小明赴台湾探亲查阅到台湾的相关资料,你认为符合事实的是
已知f(x)=x3-3x+m在区间0,2上任取三个数a,b,c,均存在以f(a),f(b),f(c)为边长的三角形,则实数m的取值范围是( )
时间(小时)
频数(人数)
频率
2≤t<3
4
0.1
3≤t<4
10
0.25
4≤t<5
a
0.15
5≤t<6
8
b
6≤t<7
12
0.3
合计
40
1
①
What does Emma's father like to watch on TV?
____
②
How many pairs of basketball shoes does Emma's father have?
③
Where are the CDs?
④
How many tennis balls does Emma's father have?
⑤
What kind of food does Emma's father like?