If you are human, you can’t help but experience times when everything seems to be going wrong. You must also _36__as if your life is completely out of control at times. It is during those “down times” that words of encouragement from family, friends, co-workers or __37_strangers can boost(增强)your spirits. It is also during those __38_that negative words can be devastating (毁灭性的) and sink you deeper and deeper into depression. For example, consider this story about a group of _39__who were traveling through the woods when __40__of them fell into a deep pit(坑). All of the other frogs gathered around the __41__.When they saw how _42__the pit was, they told the two _43__frogs they would never get out. The two frogs didn’t obey what other frogs said and tried to __44__ out of the pit. The other frogs kept telling them not to jump, _45__it was in vain. Finally, one of the frogs followed what the other frogs were saying and simply _46. He fell down and _47_. The other frog continued to jump as __48_as he could. Once again the crowd of frogs shouted at him to _49__ the pain. The more they _50__, the harder he jumped and finally he __51__to safety. When he __52_, the other frogs asked him why he continued to jump when they were all __53__him to simply quit. The frog __54_to them that he was a little bit deaf. He thought they were _55__him all the time.
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胃液中激活胃蛋白酶原、促进铁的吸收的成分是
A．HCl
B．内因子
C．粘液
D．碳酸氢盐
E．维生素B12
常用的坡脚线放样方法有( )。
A．套绘断面法
B．平行线法
C．极坐标法
D．交会法
E．支距法
女性，33岁，上腹痛1天。1天前进食1小时后上腹隐痛，呈持续性，渐重，向腰背部放射，仰卧、咳嗽时加重，伴发热、恶心、频繁呕吐胃内容物，呕吐后腹痛无减轻。发病来无咳嗽、胸痛、腹泻及排尿异常。既往有胆石症多年，无反酸、黑粪史，个人史、家族史无特殊。查体：体温39℃，脉搏104/分钟，呼吸19/分钟，血压130/80mmHg。急性病容，侧卧卷曲位，皮肤干燥，巩膜无黄染，心肺无异常，腹稍隆，上腹部轻度肌紧张，压痛明显，可疑反跳痛，未触及肿块，Murphy征阴性，肝肾区无明显叩痛，移动性浊音阳性，肠鸣音弱，双下肢无水肿。化验：血红蛋白90g/L，白细胞16.7×109／L，中性粒细胞0.88，淋巴细胞0.10；血淀粉酶987（Somogyi）U，腹部X线平片未见膈下游离气体和液平，肠管稍扩张。
该患者可能出现的胃肠功能衰竭临床表现包括（）
A.腹胀
B.应激性溃疡
C.腹泻
D.肠梗阻
E.肠道细菌和毒素易位
F.肠内营养不耐受
G.肠道激素分泌增加
某高速公路项目，路面面层采用沥青混凝土，在对路面面层施工时，需要对沥青混合料进行拌和运输、摊铺和碾压等工作，项目经理部决心精心组织，科学实施，搞好现场的技术质量管理。决定采用热拌沥青混合料进行施工。
沥青混凝土面层集产的最大粒径宜从上至下逐渐( )。
A．减小
B．不变
C．增大
D．无法确定
区别大小偏心受压的关键是远离轴向压力一侧的钢筋先（），还是靠近轴心压力一侧的混凝土先（）。