矢状位上，正常膝关节半月板边缘部形态为（）
A.圆形
B.三角形
C."弓带状"（bowtiE.
D.正方形
E.椭圆形
参考答案：C
People are strongly advised _____ legal means to settle their disputes. [ ]
A. to take
B. taking
C. take
D. to be taken
如果垃圾管理不善会引发哪些环境污染事件？说出3种
