1.Few of the cultural traditions and rules that today allow us to deal with dense populations existed for people accustomed to household autonomy and the ability to move around the landscape almost at will.
2.The ancestors of plants were photosynthetic single-celled organisms that gave rise to plants presumably lacked true roots, stems, leaves, and complex reproductive structures such as flower.
同样这里的lacked是什么结构,如果改成lacking表主动可以么?
3.In addition, other lines of evidence support the hypothesis that land plants evolved from ancestral green algae used the same type of chlorophyll and accessory pigments in photosynthesis as do land plants.
Few of the cultural traditions and rules that today allow us to deal with dense populations existed for people accustomed to household autonomy and the ability to move around the landscape almost at will.
噢GOGO 发表于 2014-4-25 22:45
Few of the cultural traditions and rules that today allow us to deal with dense populations existed ...
多读读之后好像是,之前的allow是从句里的,existed是整句的谓语,accustomed to 应该是省略了be,做过去分词,表被动的,修饰people。
但是第二句如何破??? 作者: 噢GOGO 时间: 2014-4-26 20:49:27
.The ancestors of plants were photosynthetic single-celled organisms that gave rise to plants presumably lacked true roots, stems, leaves, and complex reproductive structures such as flower.
应该是分句的谓语吧 lack过去式 要不然分句里没谓语