Would you like _____________ the football match?[ ]
A. to watch
B. to see
C. watch
D. see
答案:A
影响中1/3锁骨骨折外侧段移位的因素有
A.上肢重力的牵拉
B.胸锁乳突肌的牵拉
C.三角肌的牵拉
D.胸大肌的牵拉
E.肱二头肌的牵拉
(1)分母不同的分数相加减,要先______,化成相同的______,再加减.
(2)计算结果能约分的,要约成______分数.