【单选题】听力原文:M: Did you hear about the air crash that occurred in South America recently? It was quite a tragic accident! W: No, I didn't see anything in the news about it. What happened? M: A foreign airline...
C.
Breakdown of the engines.
D.
Communications system failure.
【单选题】计算机病毒是一种破坏计算机功能或者毁坏计算机中所存储数据的有害软件。
【单选题】计算机病毒是一种破坏计算机功能或者毁坏计算机中所存储数据的( )。
【单选题】计算机病毒是一种破坏计算机功能或者毁坏计算机中所存储数据的()
【单选题】听力原文:W: Did you hear the weather forecast? M: Yes, they said it would be slightly above freezing tomorrow. Q: What kind of weather are they having? (16)
【单选题】I wonder why Jack always gets good marks when he does only ______ the others. [ ]
【单选题】听力原文:M: Did you hear about the air crash that occurred in South America recently? It was quite a tragic accident! W: No, I didn't see anything in the news about it. What happened? M: A foreign airline...
C.
Breakdown of the engines.
D.
Failure of the communications system.
【单选题】计算机病毒是一种破坏计算机功能或者毁坏计算机中所存储数据的。()
【单选题】计算机病毒是一种破坏计算机功能或者毁坏计算机中所存储数据的()。