18里面有( )个( )。
3;6(答案不唯一)
In relation to the law of contract, explain the following:
(b) the rules relating to the revocation of an offer. (5 marks)
治疗落枕相对有效的推拿手法是()
A.拿法
B.按揉法
C.扳法
D.弹拨法
E.擦法