题干
.
_______ with the present situation, the local government could not find effective measures to reduce the risk of c
oal mine accidents.
_______ with the present situation, the local government could not find effective measures to reduce the risk of c
oal mine accidents.
A：Though unsatisfied
B：As unsatisfied
C：Though unsatisfied it wa
D：As it was unsatisfied
答案(点此获取答案解析）
A
，则△ABC的形状是（ ）
的值（ ）.（结果保留四个有效数字）