单项选择题

机电硐室的空气温度不得超过____。

A.26℃
B.30℃
C.32℃
D.34℃

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单项选择题

C++fullysupports（）programming，includingthefourproperties：encapsulation，datahiding，inheritance，andpolymorphism.

A.computer-oriented
B.procedure-oriented
C.object-oriented
D.aspect-oriented

单项选择题

（）meansthataprogramwrittenforonecomputersystemcanbecompiledandrunonanothersystemwithlittleornomodification.

A.Portability
B.Reliability
C.Availability
D.Reusability