X线钡餐检查显示“皮革胃”，多见于
A．萎缩性胃炎
B．浅表性胃炎
C．溃疡浸润型胃癌
D．弥漫浸润型胃癌
E．息肉型胃癌
参考答案：D
判断瞳孔缩小，其直径至少应<（）
A.2mm
B.3mm
C.4mm
D.5mm
E.6mm
It is said that a student was dead during _____.[ ]
A. train
B. a long run
C. a train
D. a bus
