抗辩权的作用是对抗所有权。( )
参考答案：错
将下列句子排列成一段完整的对话。
( ) Well. Go straight down this street. You'll see some traffic lights.
( ) You're welcome!
( ) Excuse me! Where is the park?
( ) Turn right at the lights. Then you will see the park.
( ) Thank you!
慢性甲基汞中毒的靶器官是（）
A.血管
B.中枢神经系统
C.肝
D.肾
E.心脏
