问题
单项选择题 A1/A2型题
关于咯血与呕血的鉴别，下列错误的是（）。
A.咯血不可能出现黑便，呕血一定出现黑便
B.咯血为鲜红色，呕血多为暗红色
C.呕血见于消化道疾病
D.咯血属碱性，呕血属酸性
E.咯血中混有痰、泡沫，呕血混有食物残渣、胃液
答案
参考答案：A
解析：咯血与呕血的鉴别。
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关于咯血与呕血的鉴别，下列错误的是（）。
A.咯血不可能出现黑便，呕血一定出现黑便
B.咯血为鲜红色，呕血多为暗红色
C.呕血见于消化道疾病
D.咯血属碱性，呕血属酸性
E.咯血中混有痰、泡沫，呕血混有食物残渣、胃液
参考答案：A
解析：咯血与呕血的鉴别。
| 阅读短文，根据短文内容，从短文后的五个选项中选出能填入空白处的最佳选项。 | |
| Tim was reading a book at home. Someone knocked on the door. He opened the door. 1_____. "My name is Rebecca," said the lady."You've got to help me!" "Take it easy," 2_____."What happened?" "My grandma died last month. She left all her money, about $1,000,000 to me. She told me she had saved the money in a bank. 3_____." "But yesterday when I went to the bank, I only got an envelope (信封) with nothing in it. The money is gone!" Rebecca took the envelope out of her handbag and gave it to Tim. Tim looked at it carefully under the light. It was just an envelope with two old stamps on it. 4_____. "Don't worry, Rebecca," he said. "Your money is still here."
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