观察前列腺的最佳MRI扫描断面为（）
A.矢状位
B.冠状位
C.横轴位
D.斜位
E.以上都不是
参考答案：C
My sister has practiced tennis for a long time. She plays tennis _______ you. [ ]
A. as good as
B. so well as
C. as well as
一旦发生污染事故，（）应立即向总监报告。
A、当事人或发现人
B、平台经理
C、HSE监督
