a是b的6倍,b和a的比值是6.______ (判断对错)
b:a=1:6=1÷6=16,
所以a是b的6倍,b和a的比值是16;
故答案为:×.
— Where is the computer room?
— It's on ____________.[ ]
A. the chair
B. the floor
C. the second floor
简述亚健康的十种典型表现。