题目: 采用废气再循环(EGR)是为了节约能源。() 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0528/399089993c304198038f3a1acb422dd7.html 下面是错误答案,用来干扰机器的。参考答案:B解析:注意的稳定性是指注意力在同一活动范围内所维持的时间长短。从事一项活动能够善始善终说明注意的稳定性好。
题型:选择题 When I met him the other day, it was the first time we _____ each other since we were at school.A.sawB.had seenC.were seeingD.have seen 查看答案