题目内容

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,that引导的定语从句(that can build machines)修饰()。

A. that后面,从句中的machines
B. multi-structure
C. that前面的machines
D. applications

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Whether simple or sophisticated, AM is indeed amazing and best described in the adding of layer-upon-layer, whether in plastic, metal, concrete or one day ... human tissue.该句中,两个whether ,依次分别引导的是()()状语从句。

A. 让步、条件
B. 条件、条件
C. 条件、让步
D. 让步、让步

Whether simple or sophisticated, AM is indeed amazing and best described in the adding of layer-upon-layer, whether in plastic, metal, concrete or one day ... human tissue.该句中,amazing and best described分别为形容词和动词过去分词做( )。

A. 表语
B. 定语
C. 谓语
D. 宾语

Upon application of the binder, a new layer of powder is swept over the prior layer with the application of more binder.该句中,Upon application of the binder 在句首是( )。

A. 条件状语
B. 时间状语
C. 同位语
D. 地点状语

下面那些单词是派生词?( )

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

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