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Questions 11 to 18 are based on the conversation you have just heard.

A．It was 50 pounds.
B．It was 80 pounds.
C．It was 20 pounds.
D．It was 40 pounds.

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The enormous loss of life on the Titanic was primarily caused by inadequate equipment, training and procedures.

Questions 11 to 18 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。