—No. Neither of us ______.
A:invites
B:invited
C:is invited
D:was invited
Your father looks very tired. He'd better a good sleep.
Who's afraid the big bad wolf?
已知f(x)是定义在R上且以4为周期的奇函数,当x∈(0,2)时,f(x)=ln(x2﹣x+b),若函数f(x)在区间﹣2,2上的零点个数为5,则实数b的取值范围是____