____ a computer works is a question ___ not everyone cad answer quickly.A．That；
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____ a computer works is a question ___ not everyone cad answer quickly.| A．That；which | B．How；that | C．What；which | D．When；that |
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答案
| B |
解析
| 考查名词性从句。句中how引导主语从句，在从句中作方式状语，that引导同位语从句，解释说明名词question，故选B。 |
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