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The initial causes of serious accidents at nuclear power plants have not so far been flaws in the advanced-technology portion of the plants. Rather, the initial causes have been attributed to human error, as when a worker at the Browns Mills reactor in the United States dropped a candle and started a fire, or to flaws in the plumbing, exemplified in a recent incident in Japan. Such everyday events cannot be thought unlikely to occur over the long run.
Which one of the following is most strongly supported by the statements above?
❶The initial causes of serious accidents at nuclear power plantshave not so farbeen flaws in the advanced-technology portion of the plants. ❷Rather, the initial causes have been attributed to human error, as when a worker at the Browns Mills reactor in the United Statesdropped a candle and started a fire, or to flaws in the plumbing, exemplified in a recent incident in Japan. ❸Such everyday events cannot be thought unlikely to occur over the long run.
解析：
initial causes 最初的原因
flaws缺陷
rather 更确切地说
serious accidents严重事故
drop失手掉下
as 比如=for example
nuclear power plants核电厂
start a fire引起火灾
advanced-technology先进技术
be attribute to把......归因于......
over the long run 从长远来看
reactor核反应堆
plumbing管道系统
recent incident最近的事件
exemplified被放大
❶(1) 修饰：介词短语 主语( )谓语
(2) 无符号插入
The initial causes of serious accidents at nuclear power plants have not so farbeen flaws in the advanced-technology portion of the plants.
❷(1) 修饰：介词短语 主语( )谓语
Rather, the initial causes have been attributed to human error, aswhen a workerat the Browns Mills reactor in the United Statesdropped a candle and started a fire,
(2) or省略
or(the initial causes have been attributed)to flaws in the plumbing
(3) done结构
, (which were)exemplified in a recent incident in Japan.
❸双重否定=肯定
Such everyday events cannot be thought unlikelyto occur over the long run.
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