以非手术治疗为主的肝脏疾病是
A.肝包虫病
B.原发性肝癌
C.肝海绵状血管瘤
D.阿米巴性肝脓肿
E.细菌性肝脓肿
参考答案:D
He could hardly believe his eyes, he?
A.didn’t
B.couldn’t
C.did
D.could
试样的横向和纵向,力学性能相差()Mpa。
A.10
B.20
C.30
D.40