托福作文：2011.5.13托福作文写作考试机经回顾
托福机经作文 1 综合 托福机经阅读：考古大发现啊~~恐龙骨头里面发现了很多东西，证明来自于血管，血细胞，骨髓。 1 有breaking channel像血管，soft物质遗留物 2sphere with iron是红细胞的， 3collagen是骨髓里面的重要物质 Listening: Lecturer认为托福机经阅读中的证据Skeptical。 (1) The material found in the breaking of the bone can not prove the existence of red blood vessel. It is more likely to be other material such as the reddish mineral. (2) Sphere also appears in other animals that do not have bone tissues. For example, it may be the traces left by the bacteria colony that lived in the bone leg after the dinosaur died. (3) Co... [ 查看全文 ]托福作文：2011.5.13托福作文写作考试机经回顾的相关文章
