四级Bill, for instance, often gets painful flashbacks, in which unwanted memories intrude into his consciousness, but overall he has chosen to see it as the best way of avoiding repeating the same mistakes.
例如，比尔经常会痛苦地回忆起来，不想要的记忆侵入他的意识，但总的来说，他认为这是避免重蹈覆辙的最佳方式。
2017年6月阅读原文
四级Bill, for instance, often gets painful "flashbacks", in which unwanted memories intrude into his consciousness, but overall he has chosen to see it as the best way of avoiding repeating the same mistakes.
例如，比尔经常会痛苦地“闪回”，不想要的记忆侵入他的意识，但总的来说，他选择了将其视为避免重蹈覆辙的最佳方式。
2017年6月四级真题（第一套）阅读 Section B
六级When will the unwanted data eventually disappear from Facebook according to the company?
据该公司称，这些不需要的数据最终何时会从Facebook上消失？
2010年12月听力原文
六级Forty percent of that powers old-fashioned incandescent light bulbs — a 19th-century technology that wastes most of the power it consumes on unwanted heat.
其中40%为老式白炽灯泡供电——这是一种19世纪的技术，它将消耗的大部分电力浪费在不需要的热量上。
2007年12月英语六级真题
四级You could be opening yourself up to unwanted calls from solicitors (推销员).
你可能会接到律师打来的不必要的电话(推销员).
2007年6月大学英语四级(CET-4)真题
四级Bill, for instance, often gets painful “flashbacks”，in which unwanted memories intrude into his consciousness, but overall he has chosen to see it as the best way of avoiding repeating the same mistakes.
例如，比尔经常会出现痛苦的“闪回”，不想要的记忆会侵入他的意识，但总的来说，他选择将其视为避免重蹈覆辙的最佳方式。
2017年6月大学英语四级真题（第1套）
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