当x=1.25,y=2时,3x-0.56的值是( ),5xy+y的值是( )。
3.19;14.5
We should take good care of the elderly, as they are ______ to the sudden change of weather.
A.sensitive
B.anxious
C.weak
D.positive
3,4,10,33,()
A.67
B.76
C.96
D.136