巨红细胞直径大于
A.6μmB.8μmC.10μmD.13μmE.15μm
参考答案:E
解析:小红细胞直径<6μm;大红细胞直径>10μm;巨红细胞直径>15μm。
Bill always seems so self-confident, but _____ he’s extremely shy.
A.in vain
B.in contrast
C.in reality
D.in surprise
Seeing that all hands are familiar with their duties,as specified in the muster list,is the responsibility of the().
A.Master
B.Chief Mate
C.safety officer
D.department heads