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sofa上的猫
译文:英语是我最爱的科目,因为我觉得它非常有趣和有用。通过学习英语,我不仅仅是在学习一门语言,而且可以其他国家的不同文化。我喜欢老师通过玩游戏来教我们学习拼写单词,用英语表达请求等等的课程,
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cross-product integration, its core is based on recombinant DNA technology, genetic engineering centers, including microbial engineering, biochemical engineering, cell engineering and bio-products and other field
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七年级英语作文 篇1 Today is Monday,I get up at 6: take a shower and brush my teeth. Then I eat breakfast at 7:00. After breakfast I go to school at 7:30. In the morning, I have many subject.
My family My family lives in Bei jing. There are four people in my family. They
cross-product integration, its core is based on recombinant DNA technology, gene
Dear Tom,I am delighted【愉快,欣慰】 to get your email and tell you something about th
the development of biology is changing our world 21世纪的新生科学生物学,使人充分了解达尔文的“适者生存”的伟
8月6日,美国和日本的研究人员在《细胞》(Cell)杂志网络版上发表论文称,他们通过在成纤维原细胞中植入特定的Gata4, Mef2c和Tbx5种基因,成功培育
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