We all agreed to her suggestion that we＿＿＿＿＿＿to the Great Wall for sightseeing(观光 ).

A．will go

B．go

C．shall go

D．should have gone

嗜铬细胞瘤最主要的症状是（）

A.高血压

B.低血压

C.心律失常

D.心衰

E.肺水肿