下列哪种疾病“充盈缺损”表现不明显
A.增生型胃癌B.溃疡型食管癌C.胃黏膜下平滑肌瘤D.增殖型肠结核E.结肠息肉
参考答案:B
解析:ACDE均有充盈缺损样改变,B有龛影表现。
Joe worked so hard that ________ he made himself ill.[ ]
A.awfully
B.eventually
C.purposefully
D.actually
变形速度不影响产品的性能。