胃癌的癌前状态有()
A.慢性萎缩性胃炎
B.增生性胃息肉
C.残胃炎
D.恶性贫血,胃伴有显著萎缩者
E.少数胃溃疡者
参考答案:A, C, D, E
No judgement ________ about the case until all the evidences have been carefully checked.
A.will be made
B.is made
C.is being made
D.has been mad
水泥砼在夏季高温施工时,混凝土从搅拌机出料至浇筑完毕的允许最长时间为()