A wonder drug was______from this common herb as a cure for cancer.

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问题 A wonder drug was______from this common herb as a cure for cancer.

选项 A、gambled
B、deduced
C、extracted
D、injected

答案C

解析 gambled把……孤注一掷;deduced演绎,推论;extracted采掘;提取,提炼;injected引入;投入。
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