题目内容

The control unit fetches from memory and decodes them.

A. instruction
B. information
C. results
D. data

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Good anti-virus software should be able to automatically and kill viruses in files.

A. declare
B. deduct
C. defeat
D. detect

Which one is NOT a computer language?

A. C
B. PASCAL
C. word 2000
D. C++

古代象类动物的门齿化石称为

A. 龙骨
B. 龙齿
C. 白龙齿
D. 五花龙骨
E. 青龙齿

某样品与石膏相互刻划时,石膏受损而样品不受损,与方解石刻划时,双方均受损,与萤石刻划时,萤石不受损而样品受损。该样品的相对硬度为

A. 1级
B. 2级
C. 3级
D. 4级
E. 5级

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