父方的基因型为HH,母方的基因型是hh,它们产生的精子、卵细胞、受精卵的基因型分别是[ ]
A.H、h、Hh
B.h、H、Hhh
C.H、h、HhH
D.H、h、HhHh
答案:A
I was born in New Orleans, Louisiana, a city ______ name will create a picture of beautiful trees and green grass in our mind.
A.which
B.of which
C.that
D.whose
情志郁结不舒所致胸痛的特点是()
A.胸背彻痛
B.胸痛喘促
C.胸痛咯血
D.胸痛走窜
E.胸部刺痛