Some anthropologists believe that the genetic homogeneity evident in the world’s people is the result of a "population bottleneck" -some time in the past, that our ancestors suffered an event so as to reduce their numbers greatly, and thus our genetic variation.
语法 Sentence Correction-15395
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正确的用户笔记
nicolexzs 2014-10-02 00:07:30
reduce又是ancestors干的了，发起者不对
hetatomato 2015-05-14 11:32:16
reduce又是ancestors干的了，发起者不对
秋秋 2015-07-30 11:16:40
some time不能单独作为状语，而是要加at some time等等
周黑鸭 2015-10-03 15:48:47
I will eat a dish of Tsaa-siu(叉烧) some time the next day. 有问题吗？写成书面语就非常有问题！时间是个名词，必须加个“介词”才可以做状语修饰动词。所以CDE都错。剩AB
周黑鸭 2015-10-03 15:48:46
I will eat a dish of Tsaa-siu(叉烧) some time the next day. 有问题吗？写成书面语就非常有问题！时间是个名词，必须加个“介词”才可以做状语修饰动词。所以CDE都错。剩AB
sissi199005 2014-12-04 11:43:07
破折号后的主体结构是some time，与前文逻辑上不对应，杀
saintyyu 2014-03-30 15:24:21
破折号+句子，不对；
