12.5×0.56×0.25×64的值是( )
A.56
B.112
C.50
D.28
参考答案:B
The girl won ______ dollars in the lottery. [ ]
A. a million
B. millions
C. millions of
D. two millions
内分泌腺又称无管腺,其产生的分泌物渗透进入腺细胞间毛细血管而通过血液循环运送到靶器官(或细胞)去发挥作用。()