题目内容

Some ________ are capable of generating animated graphics that rival output of specialized equipment that costs hundreds of thousands of dollars.

A. computers
B. computation
C. computer
D. compute

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Because the pictures are made to be seen, too much ________ is apt to be placed upon seeing.

A. emphatic
B. emphasize
C. emphasis
D. emphases

As an actual compositional medium, the ________ can help artists create their own original art works.

A. hardwares
B. hardware
C. software
D. softwares

活塞式压缩机()压缩时消耗功最小,()压缩时消耗功最大,实际压气机的压缩过程一般是()过程。

A. 定温、绝热、多变
B. 绝热、定温、绝热
C. 多变、定温、多变
D. 多变、绝热、定温

对于单级活塞式压缩机,其容积效率与()有关。

A. 余隙比及增压比
B. 余隙比及气体种类
C. 增压比及气体种类
D. 增压比及气体常数

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