A:7.5 mL 2 mol•L﹣1KAl(SO4)2溶液
B:30 mL 1 mol•L﹣1 MgSO4溶液
C:20 mL 0.5 mol•L﹣1Al2(SO4)3溶液
D:10 mL 3 mol•L﹣1 Na2SO4溶液
若集合M={y|y=2x,x∈R},P={x|y=x-1},则M∩P=( )
After staying in hospital for two weeks, he r____ from his illness.