∵6＜m＜10，
∴4＜m＜16，
∴m=3．
故答案为：3．
The patient is still weak in health, and is advised by the doctor ______ more exercise.[ ]
A. taking
B. should take
C. took
D. to take
硫大部分集中在（）。
A.小于80℃馏分中
B.80~180℃馏分中
C.重馏分及渣油中
