子宫内膜异位症需要与下列疾病鉴别（）
A.卵巢癌
B.子宫肌瘤
C.盆腔炎性包块
D.子宫内膜癌
E.子宫腺肌病
参考答案：A, C, E
Are you ______ your son has difficulty in studying at school?
A．aware of
B．aware that
C．knowing that
D．aware of that
燃油附加税
