问题
单项选择题
30岁男性农民，腹痛、腹泻半个月，大便4-8次／天，便量多，为暗红色，有腥臭味，肉眼可见血液及粘液，患者无发热，左下腹隐痛，大便镜检：WBC10~15个／HP，RBC满视野，该患者最可能的诊断是 （ ）
A．钩端螺旋体病
B．细胞性痢疾
C．血吸虫病
D．溃疡性结肠炎
E．Crohn肠炎
答案
参考答案：D
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30岁男性农民，腹痛、腹泻半个月，大便4-8次／天，便量多，为暗红色，有腥臭味，肉眼可见血液及粘液，患者无发热，左下腹隐痛，大便镜检：WBC10~15个／HP，RBC满视野，该患者最可能的诊断是 （ ）
A．钩端螺旋体病
B．细胞性痢疾
C．血吸虫病
D．溃疡性结肠炎
E．Crohn肠炎
参考答案：D
In the past，people usually believed what newlyborn babies wanted was food and to be kept warm and dry.They thought babies were not able to ____ things until they were five or six months old.____ the researchers in the United States now believe babies begin learning on their first ____ of life.They say babies are strongly ____ by their environment and one baby will ____ if his or her mother does something that the baby likes. A baby learns to get the best care possible by smiling to ____ her mother.This is how babies start to learn to ___ and communicate with other people.The researchers say this ability to learn ___ in a baby even before birth.They also ____ the idea that newlyborn babies can ____ and understand sounds they heard while they were still ____ inside their mothers. Recently，an American study ____ 112 babies found babies learned better when they were ____.The babies appeared to learn well whether they were sitting up on their own，sitting in seats or __ to sit up.The researchers say keeping that kind ____ had what they called a ____ effect on the babies' ability to learn about objects.They say the body position may be linked to development in the ____．One ____ says babies can pay more attention to ___ an object if they do not have to be worried about their balance.
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