【单选题】
有关粪隐血试验，不正确的概念是___
A. 少量消化道出血即可阳性
B. 正常人为阴性
C. 服用铁剂可呈假阳性
D. 判断消化道出血的有效方法
E. 可确诊消化道出血的部位
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答案
E
解析
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( ) 26. Where does the writer of "The little Prince" come from?
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【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
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【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
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( ) 30. Why did the father not ask his son not to do this and do that？
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【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
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A. A
B. B
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【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
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【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
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【单选题】
( ) 36. What can we infer from the last paragraph?
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A. A
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【单选题】
( ) 37.The greatest river for navigation is ___________.
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【单选题】
( ) 38. From a dam, people can use the water for ___________.
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【单选题】
( ) 39. The water in the river is polluted because of _____________.
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B. B
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