题目: 定性预测法可以分为两类:()和调查试验方法。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0709/43630a06c56797c814f9cb0c39379977.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 If you don't want to fall behind others, you must _____ current events. [ ]A. keep track of B. keep track C. keep touch with D. keep in touch 查看答案