第13题: [单项选择]If people feel hopeless, they don't bother to ______ the skills they need to succeed. A. adopt B. acquire C. accumulate D. assemble 参考答案:B 答案解析:acquire获得(强调相当长的过程),此项正确。其他三个选项的意思分别为:adopt采纳;accumulate积累;assemble使集合。[句意]如果人们感到失望了,他们就不会下功夫去获取成功所必