康复治疗学最基本的治疗内容包括()。
A.作业治疗
B.物理治疗
C.言语治疗
D.心理治疗
E.药物治疗
参考答案:A, B, C, D
设函数f(x)的定义域是R,对于任意实数m,n,恒有f(m+n)=f(m)·f(n),且当x>0时,0<f(x)<1,
(1)求证:f(0)=1,且当x<0时,有f(x)>1;
(2)判断f(x)在R上的单调性。
It is a mainly dry country with only a few coastal areas that have ____ rainfall to support a large population.
A.desperate
B.stubborn
C.violent
D.adequate