This morning, Jenny ________ to the store.[ ]
A. go
B. goes
C. went
答案:C
与吸烟关系最为密切的肺癌是()
A.鳞癌
B.腺癌
C.腺鳞癌
D.小细胞癌
E.细支气管肺泡癌
原发性侧索硬化主要选择性地损害______
A.锥体束B.周围神经C.感觉传导通路D.脊髓前角细胞E.锥体外系