—Why not _____ fishing?
—Sounds great. Let's go. [ ]
A. go
B. going
C. to go
D. to going
答案:A
在狭水道导航时常用对地真运动
红细胞在血管外破坏的主要场所是()
A.肾、肝
B.脾、肝
C.肾、脾
D.胸腺、骨髓
E.骨髓、淋巴结