小肠耐受剂量为（）。
A.40～45Gy
B.20～30Gy
C.35～40Gy
D.30～35Gy
E.45～50Gy
参考答案：E
内部质量审核的主要步骤以及阶段包括哪些？
Mary often does some translation work to earn extra money, which______half of her income.
(潍坊市)
A．makes for
B．counts on
C．accounts for
D．consists in
