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凌申承2332There is an identification letter below. I am pleased to certify that Ms....
翁彦甄18799588039 ______[答案] 你提的问题应该是属于定语从句的用法.在定语从句中,which只是个引导词,后面用单数还是复数(一般现在时的情况下)取决于该从句修饰的词的单还是复数形式.例如: There are some advice which needs to be modified.(这有些建议需要修改.) ...

凌申承2332用英语介绍有关玉的知识 -
翁彦甄18799588039 ______[答案] Jade is an ornamental stone.The term jade is applied to two different rocks that are made up of different silicate minerals.... [1] Nephrite and jadeite were used by people from the prehistoric for similar purposes.Both are about the same hardness as ...

凌申承2332如何用英文描述美国建立自然生态保护园的情况?
翁彦甄18799588039 ______ In 1972, a century after the first national park in the United States was established at ... provide protection to selected coastal habitats similar to that existing for land areas ...