Which one of the following statements regarding osteocytes is FALSE

A．They communicate with each other via haversian canals

B．They live for a long time

C．They possess long cytoplasmic processes

D．They are housed in their own lacunae

E．Osteocytes communicate with each other via narrow cytoplasmic processes that extend through canaliculi.

有关检测血清酶活力时，添加稀释水的说法正确的是

A．使用液体试剂盒时，因稀释水体积和试剂体积比易于计算，稀释水的体积可比使用干粉试剂盒时多加
B．添加样品稀释水的目的在于避免样品间交叉污染
C．添加试剂稀释水的目的在于保证反应总体积在测定范围
D．样品稀释水的量在复溶试剂时不必扣除
E．试剂稀释水的量在复溶试剂时必须扣除