Electricity is______an important discovery______it is widely used in life.

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问题 Electricity is______an important discovery______it is widely used in life.

选项 A、so... that
B、such... that
C、such... as
D、so.. . as

答案B

解析 根据句意,“电是一项重要的发明”为“它被广泛运用到生活当中”的原因,因此空格处意为“如此……以至于”。有两种表达方式:so…that和such…that;an important discovery为名词短语,故B)such…that符合题意。
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