The equipment could be used for a ______ of educational purposes.

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问题 The equipment could be used for a ______ of educational purposes.

选项 A、many
B、different
C、much
D、variety

答案D

解析 句意:这个设备可以被用于多项教育用途。该题考查固定搭配“a variety of’的用法,意为“多种的”。
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