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【简答题】
根据误差的性质和误差产生的原因误差可分为两类 和
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】男，15岁，贫血伴尿色黄6年。未诊治。其弟弟有类似表现。查体；巩膜轻度黄染，脾肋下2cm检查：血红蛋白(Hb)709/L，MCV70fl，MCHC29%。网织红细胞0.09，尿胆红索(一)，尿胆原强阳性。下列检查对诊断最有帮助的是
【单选题】铁路是指各种由( )(包括调度设备和调度人员)共同组成的路面交通运输系统。
A.
火车和调度系统
B.
火车，车站和调度系统
C.
铁路，车站
D.
火车，铁路，车站和调度系统
【单选题】听力原文：M: Gloria, have you met the new student body president yet? W: No. I don't think we've met before. Could you make an appointment for us this afternoon? Q: What does Gloria mean? (14)
A.
She wants to know who the students are.
B.
She wants to meet the president.
C.
She's not eager to greet the president.
D.
She's sure she has met the president before.
【单选题】听力原文：M：Don't you think John and Jim are telling the truth? W：It doesn't seem likely. It would be hard to write two compositions so much alike unless of them one of them was copying from the other． Wha...
A.
She doesn't like either of them.
B.
John copied it from Jim.
C.
Jim copied it from John.
D.
One is the copy from the other.
【单选题】男，15岁，贫血伴尿色黄6年，未诊治。其弟弟有类似表现。查体；巩膜轻度黄染，脾肋下2cm检查：Hb70g/L，MCV70fl,MCHC29%，网织红细胞0.09，尿胆红素(一)，尿胆原强阳性。下列检查对诊断最有帮助的是
A.
酸溶血试验
B.
自体溶血试验
C.
Coombs试验
D.
血红蛋白电泳
E.
红细胞脆性试验
【简答题】写出并理解下列Python语句输出的结果 print('hello') print('"hello"') print("guido's") print("\"hello guido\'s python\"") print("%s\t%s" % ("hello", "world"))
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