题目内容

The air required for combustion is taken from the engine room through a filter fitted on the turbochargerThis reduces the risk for too and contamination of the combustion air()

A. high temperatures
B. low temperatures
C. wet
D. dirty

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We usually choose cargo-handling equipment according to().

A. the ship type
B. the port's organization
C. the cargo's nature
D. the dockers’ ability

道教是怎样形成的?它的倡导者、创建者是谁?

活性污泥法通过()等过程去除有机物的一种方法。

A. 絮凝
B. 絮凝、吸附
C. 絮凝、吸附、氧化分解
D. 絮凝、吸附、氧化分解、沉淀

中国邮政储蓄银行有限责任公司的英文缩写是什么?()

A. PSBC
B. PSAC
C. PBAC
D. PBBC

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