体腔上皮来源的卵巢肿瘤占原发性卵巢肿瘤的()
A．40%
B．50%
C．40%～50%
D．60%
E．50%～70%
参考答案：E
The presents ______ on my birthday moved me a lot.
A．received
B．were received
C．receiving
D．to receive
内燥常见于
A．肺、胃、大肠
B．肺、脾、肾
C．肺、胃、肾
D．肺、肾、大肠
E．肺、脾、胃
