Does he ____________ newspapers on the bus?[ ]
A. reads
B. reading
C. read
答案:C
侏儒症与呆小症的病因及症状有何异同?
外伤性眼内炎的治疗包括()
A.缩瞳
B.玻璃体切除
C.大量抗生素
D.玻璃体内药物灌注
E.大剂量糖皮质激素