儿童最常见的肝脏肿瘤是
A．肝母细胞瘤
B．转移性疾病
C．多囊肝
D．肝脏纤维化
E．肝脓肿
参考答案：A
The Great Pyramid is said to ________by aliens. Is there a chance that this might be true?
[ ]
A. be built
B. have been built
C. being built
D. built
调整血脂药物主要降低血胆固醇的是（）
A.辛伐他汀
B.吉非贝齐
C.脉乐康
D.烟酸
E.消胆胺
