Does he ____________ newspapers on the bus?[ ]
A. reads
B. reading
C. read
答案：C
CA1091型汽车电源系的特点有哪些？
早期以化疗为主的肺癌是（）
A.类癌
B.鳞癌
C.小细胞癌
D.腺癌
E.大细胞癌
