已知等腰三角形有一个内角为80°,则另两个的内角为( )。
80°,20°或50°,50°
It seemed that the conflict________have been avoided with better communication,but they were
both unwilling to give in to each other.[ ]
A. would
B. could
C. must
D. needed
什么是阿托品化?有机磷中毒为什么必必须须使用抗胆碱药与胆碱酯酶复活剂?