2. 外语
  3. His ability to absorb information was astonishing, but his concentration______ was short.

His ability to absorb information was astonishing, but his concentration______ was short.

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问题 His ability to absorb information was astonishing, but his concentration______ was short.
选项 A、gap
B、interval
C、span
D、distance
答案C
解析 他吸收信息的能力让人惊讶，但他的注意力持续时间很短。A gap表示“差距，分歧，间隙”，例如：bridge the gap弥合差距。B．interval指两件事情、两个活动等之间的“间隔，间歇”，例如He comes back to see us atregular intervals．他每隔一段时间就回来看看我们。C．span表示“跨距”，两个日期或事件之间的“时距，期间”，或者注意力(如本题)、生命等“持续的时间”，例如：life span寿命，使用期限。D．distance指一般空间上的距离、间距，例如：We can see a windmill in the distance．我们可以望见远处有架风车。注：concentration span指“注意力持续时间”。
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