I'd like you _ for a picnic with us. [ ]
A. go
B. to go
C. going
D. went
答案:B
碎雨云和高积云的简写符号分别为()。
A.Fc,As
B.Fc,As
C.Fn,Sc
D.Fn,Ac
赤壁之战中假装投降以接近曹军的吴国将领是谁?