皮皮学，免费搜题
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搜题
【单选题】
胎儿心动过速指胎心基线A.
＞160次/分
B.
＞140次/分
C.
＞180次/分
D.
＞200次/分
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】本次实验测量温度所用的标准表是( )。
A.
从传感器盒中拿出的Cu50或Pt100热电阻
B.
从传感器盒中拿出的K型或E型热电偶
C.
封装在温度源，电路连接至温度测控单元面板的Pt100热电阻
【简答题】完形填空。 Many people like to keep dogs as their pets. But do you know dogs were wild (野生的) animals long, long ago? The 1 wild dogs were trained by 2 in Europe about 10,000 years ago. These first 'dogs' w...
【单选题】The( )were carefully inspected before we issue the Phytosanitary Certificate.
A.
animal products
B.
plant products
C.
machines
D.
electronic toys
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