问题 更新时间2023/4/3 12:59:00 9. According to some scientists, many animals may be trained to do given jobs if they know （ ）.(本题1.0分) A、 who their trainers are B、 they will get a reward C、 they will be praised by their trainers D、 something dangerous will happen to them 答案 登录 注册 标准答案：D 出自：青书学堂 >> 河南城建学院大学英语四
问题 更新时间2023/4/3 12:59:00
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