1.date back to 和 date from区别

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1.date back to 和 date from区别
如：the origin of chinese culture---------more than 5,000 years ago .
A.is dated back to B.dates back to C.is dated from D.dates back
2.before he realized what -----,it will be too late for him to do anything.A .happens B .happened C.has happened D.had happened
3.these health problems,if ---properly,will seriously affect the quality of our life.
A.not being solved B.to be not solved C.having not solved D.not solved
4.the rainy weather lasted for a couple of days ,completely -------our plan for a picnic .
A.to ruin B.ruined C.ruining D.being ruined
BCDC
the origin of chinese culture---------more than 5,000 years ago .
A.is dated back to B.dates back to C.is dated from D.dates back
2.before he realized what -----,it will be too late for him to do anything.A .happens B .happened C.has happened D.had happened

1、选择B
date back to...回溯到,回溯至~
date from...始于、起源于、追溯到,从……就开始有
2、选择B
因为realized用的过去式
3、选择A
吐过这些健康问题不能正确的被解决~所以选择被动的
4、选择B
来自译海无涯团队,

date back to 和 date from 区别 date back to&date from 的区别并举例 date back 和 date back to的区别 date back to = date from date to,date back to,date from有何区别? 请讲详细点 ,谢谢!O(∩_∩)O date back to,date from,date to是不是没有被动的 Date back to the date to 与date for 的区别 delivery date和shipping date的区别 LC 60 day from BL date 和 LC 60days after BL date 的区别英语问题关于date back to oracle数据库的 to char 和to date 区别