医学伦理学是一门()
A.研究道德的学科
B.医学和伦理学相结合的学科
C.医学的人文学科
D.研究医学心理的学科
参考答案:A, B, C
He didn’t know if he________ England next week, if he ________ I would tell him to go with you.[ ]
A. would go, went
B. went, would go
C. went , went
D. goes, goes
眼球中对光线敏感的细胞位于 ( )
A.玻璃体
B.晶状体
C.视网膜
D.角膜