------ This is such an interesting book ______ everyone likes to read .

------Yes , but there are few such books _______ in the bookstore now .

A．that ;present

B．as ;convenient

C．as , available

D．that ; available

心肌褐色萎缩，脏器呈褐色主要是由于

A．含铁血黄素沉积

B．脂肪沉积

C．脂肪浸润

D．脂褐素沉积

E．心肌陈旧性出血