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虚拟语气

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虚拟语气 收藏 纠错

作者: 发布时间:2021-12-05

40. Even the requirement that biomaterialsprocessed from these materialsbe nontoxic to hosttissue canbe met by techniquesderived from studying the reactions of tissue cultures to biomaterials or fromshort-term implants.5

1.句子的主干是:

A.The requirementcan be met by techniques.

B.The requirementcan be derived from studying the reactions or from implants.

C.The requirementprocessed from these materials.

1.be nontoxic的逻辑主语是:

A.Requirement

B.Biomaterials

C.Materials

3.这里为什么用be(动词原形)而不用其他形式的be动词:

4.can be met的逻辑主语是:

A.host tissue

B.Biomaterials

C.Requirement

5.全句的翻译:即使是这样的要求,即从这些材料中加工出来的生物材料应该对受移植者的组织无害,也能够通过从研究组织培养对生物材料的反应而来的,或从研究短期移植而来的技术来满足。

1.A 2.B 3.虚拟语气 4.C


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