岛弧与海沟

A. 正确
B. 错误

A. she is underway
B. she is not underway
C. whether she is underway cannot be determined
D. she might be or not be underway

A. 醋酸氢化可的松微晶25g
B. 氯化钠8g
C. 吐温803.5g
D. 羧甲基纤维素钠5g
E. 硫柳汞0.01g／制成1000ml