Would you like dinner with me? [ ]
A. to have
B. having
C. have
D. had
答案:A
蔬菜作物中耗水多根吸水力弱的有:()、()、()、()、()等
诊断消化性溃疡最可靠的方法或指标是()
A.胃液分析,内镜及X线检查
B.节律性上腹痛
C.胃酸增高
D.大便潜血阳性
E.以上都不是