下列等式中正确的结果是 ( ). -题库考试答案搜索网

下列等式中正确的结果是 ( ).

单选题

2021-07-17 23:32

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15592833925086ded716b0de24dd58745372caf885976image39.png"style="width:124px;height:29px;"/>
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1559283392561c3f36fc8774e41c89d1329400580002bimage40.png"style="width:100px;height:29px;"/>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1559283392618ff2a9eda45eb4e61bf1f1bc66251b88bimage41.png"style="width:129px;height:29px;"/>
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/155928339267226e0be14d6cf4741b7041be853559ec2image42.png"style="width:114px;height:29px;"/>

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我们每学期进行的期中考试、期末考试是水平测试（Proficiency Test）。

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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（）.

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逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。