题目: 请你用两种方法来鉴别CO和CO2 (1) ;(2) 。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0720/8314b5b6eb8cf7f64e2f17b130025247.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:填空题 用所给单词的适当形式填空。1.I can do it _________ (easy). 2.I exercise fifty _________ (minute) every morning. 3. _________ (do) exercise is good for our health. 4.Eating more vegetables can make us _________ (health). 5.She _________ (clean) the room before she went out. 查看答案