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问题 单项选择题 A1/A2型题

男孩，2岁。秋季发病。低热伴腹泻2天，为蛋花汤样，10次/天，无腥臭味。粪便常规偶见白细胞。最可能的病原体是（）

A.冠状病毒

B.肠道腺病毒

C.柯萨奇病毒

D.诺沃克病毒

E.轮状病毒

答案

参考答案：E

补全对话，情景问答
从Ⅱ中找出与Ⅰ相对应的句子。
Ⅰ
Ⅱ
( )1. Is that boy your brother?A. No, it isn't.
( )2. Where is his hat?B. She's my grandmother.
( )3. Is her photo in the drawer?C. They're under the bed.
( )4. Who's that old woman? D. Yes, he is.
( )5. Where are my shoes?E. Sorry, I don't know.
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单项选择题

肾上腺素发挥最佳效应的剂量范围为()

A．0.01～0.05mg/kg

B．0.045～0.2mg/kg

C．O.05～0.1mg/kg

D．O.145～0.25mg/kg

E．0.05～0.2mg/kg
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