属于胃癌癌前疾病的是（）。
A.残胃炎
B.肠型化生
C.慢性萎缩性胃炎
D.异型增生
E.胃溃疡
参考答案：A, B, C, D, E
. It is his clothes, hairstyle and the way _____ he walks _____ make people laugh.
A．that; which
B．/; that
C．/ ; which
D．in which; what
