广播表情达意最主要的手段是（）
A.音响
B.语言
C.文字
D.音乐
参考答案：B
我省政策性种植保险每亩保险金额是依据农业生产的（）来确定的。
Once a decision has been made, all of us should it. [ ]
A. direct to
B. stick to
C.lead to
D. refer to
