题目内容

下面那些单词是合成词？（）

A. sintering
B. selective
C. photopolymer
D. indexing

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Additive Manufacturing (AM) is an appropriate name to describe the technologies that build 3D objects by adding layer-upon-layer of material, whether the material is plastic, metal, concrete or one day...human tissue.该句中，that build 3D .. .material是定语从句，修饰（）。

A. technologies
B. Additive Manufacturing
C. name
D. material

She gave a speech appropriate （） the occasion.

A. of
B. to
C. with
D. for

At MIT, where the technology was invented, projects abound supporting a range of forward-thinking applications from multi-structure concrete to machines that can build machines.该句中，主句的主语是（）。

A. MIT
B. technology
C. projects
D. applications

At MIT, where the technology was invented, projects abound supporting a range of forward-thinking applications from multi-structure concrete to machines that can build machines.该句中，At MIT为（）。

A. 地点状语
B. 时间状语
C. 条件状语
D. 原因状语