题目内容
【题目】They failed several times, and they finally __________ the hope of finding an effective way of solving the problem.
A. abandoned B. released C. discouraged D. resigned
【答案】C
【解析】他们失败了好几次,他们终于泄气,找出解决问题的有效途径的希望。A项是遗弃;B项是防范;D项是辞职.

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