Jenny used to be afraid of the dark, _____ she? [ ]
A.used
B.didn't use
C.did
D.didn't
答案:D
It takes eleven hours ______ from Canada to China today. [ ]
A. fly
B. to fly
C. flying
D. flew
直径8~15μm,胞核偏位,核染色质常排列成车轮状,胞浆丰富、染蓝色或红蓝相混的蓝紫色、有泡沫感( )
A.原始粒细胞B.早幼粒细胞C.原始红细胞D.原始淋巴细胞E.浆细胞