【单选题】【消耗次数：1】
血培养瓶应该在多长时间内送到实验室
①
3h
②
2.5h
③
2h
④
6h
⑤
12h
参考答案：
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设物理地址(10FF0H)=10H,(10FF1H)=20H，(10FF2H)=30H，从地址10FF1H中取出一个字的内容是
①
1020H
②
3020H
③
2030H
④
2010H
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下列烷烃沸点由高到低顺序正确的是（ ）。①CH4 ②C3H8 ③C5H12 ④C8H18 ⑤C12H26
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②
①②③④⑤
③
③④⑤②①
④
⑤④③②①
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已知：A=D2H，（40H）=77H，执行指令：ORL A，40H后，其结果是：（ ）。
①
LCALL addr16
②
DJNZ direct,rel
③
SJMP rel
④
ACALL addr11
随机题目
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由于幼儿的肌肉中水分多，蛋白质及糖原少，不适合他们的运动项目是( )。
①
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②
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④
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