Given: 
Which two are true? （）
- A、The output is mm.
- B、The output is mc.
- C、Component is-a Meter.
- D、Component has-a Meter.
- E、DeluxeThingy is-a Component.
- F、DeluxeThingy has-a Component.
正确答案:A,F
答案解析:有
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Oracle认证考试
Oracle认证考试
Given: Which two are true? （）
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