Linux OS 是免费的系统软件。
A. 对
B. 错
windows server 2012 比windows server 2012R2 功能更完善。
A. 对
B. 错
News report-1Q1. What is reported in the news?[音频]
A deadly fish has been spotted in the Mediterranean waters.
B. Invasive species are driving away certain native species.
C. The Mediterranean is a natural habitat of Devil Firefish.
D. Many people have been attacked by Devil Firefish.
News report-1Q2. What is the enviromentalists' concern about the spread of Devil Firefish in the Mediterranean?
A. It could add to greenhouse emissions.
B. It could disrupt the food chains there.
C. It could pose a threat to other marine species.
D. It could badly pollute the surrounding waters.
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