以下哪项可作为Crohn病应用糖皮质激素的指征()
A.常规应用
B.有瘘管形成
C.有肠外表现
D.剧烈腹痛
E.肠道出血
参考答案:C
Water is (41) important of all the things we (42) and drink. Not many people understand this, (43) it’s quite true. The human body (人体) can go (44) food for a long time, but two (45) three days without water can usually (46) people die. Many people don’ t understand how much water the human body needs to work well and many people do not drink (47) , even (48) hot weather. Our body is (49) water, about 65% to 75%, ff we do not have enough water, we’ll (50) tired and many will get ill. So you see, how important water is to us all.
[A] much [B] enough [C] more
欺骗性市场交易行为的特征?