风扇皮带的松紧度，用姆指以3公斤力压下（）MM为宜。
A、5～10
B、10～15
C、12～16
D、15～200
参考答案：B
--- Could you bring me that novel you _____________ me about when I dropped in on you?
--- Sorry, I can’t. I have given it to a friend.
A．told
B．would tell
C．had told
D．had been telling
颈椎病枕颌带牵引重量正常范围是（）。
A.2～3kg
B.7～15kg
C.5～10kg
D.8～16kg
E.4～6kg
