正常成人PR间期为（） -题库考试答案搜索网

正常成人PR间期为（）

单选题

2021-12-28 01:05

A、A.0.10～0.20秒
B、B.0.12～0.20秒
C、C.0.06～0.08秒
D、D.0.32～0.44秒
E、E.0.08～0.22秒

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正确答案

B

试题解析

标签：诊断学基础眼科(医学高级) 口腔正畸(医学高级)

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翻译：With Average or With Particular Average（WA or WPA）（）

正常人PR间期（）

正常成人的PR间期为

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

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