叶酸的吸收部位是
A．胃
B．十二指肠
C．十二指肠和空肠
D．空肠和回肠
E．升结肠
参考答案：C
The children _________ for the accident. After all, they were so young.
A．should not be to blame
B．not to be blamed
C．were not to blame
D．were to not blame
对外报送的会计报表必须按统一会计制度的格式、编报口径和报送期限打印输出，及时报出。 ( )
