投篮是靠（）最后集中到手腕、手指上将球投出。
A.腰腹伸展力量
B.手臂力量
C.身体各部的综合力量
参考答案：C
Peter, who had waited for an hour, was very angry with his sister when she _____ turned up. [ ]
A. definitely
B. eventually
C. hopefully
D. frequently
如何合理施用叶面肥？
