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【判断题】
燃料油输送泵出口压力低的原因主要是燃料油粘度低或泵入口过滤器需切换。（）A.
正确
B.
错误
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举一反三
【单选题】The word 'vehicle' (Para. 5) denotes
A.
vulnerability.
B.
capability.
C.
liability.
D.
availability.
【简答题】The development of the light bulb partly as a result of the widespread availability of electricity and the need for cheap，clean light．
【单选题】Read the text and complete citations by choosing the reporting verb structures.But wherever and whenever capitalism took hold, people’s incomes and consumption levels began to rise in a sustained way....
A.
…state that…
B.
…as reported by…
C.
…describe…
D.
according to…
参考解析：
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