Blackberry stickers are the most ______ weeds I know: once established in a yard theyre e

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Blackberry stickers are the most ______ weeds I know: once established in a yard, theyre extremely hard to root out.

A.rigorous

B.stern

C.obstinate

D.harsh

请帮忙给出正确答案和分析,谢谢!

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答案解析

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  • 正确答案:C
    形容词词义辨析题。由hardtorootout可判断,这种草极其“顽强的,难抑制的”,故C正确。rigorous表示“严格的,严酷的”;stem表示“严厉的,苛刻的”;harsh表示“刺耳的,严厉的”。