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【多选题】
根据《计算机信息系统安全保护条例》,计算机信息系统()应当同步落实相应的安全措施。A.
规划
B.
设计
C.
建设
D.
维护
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】A: How is this Chinese song? B:______(它没有我预料的那样难).
【单选题】---How does your brother like the song Two Butterflies? ---Great! He _____ such a beautiful song before.
A.
doesn’t hear
B.
never hear
C.
is never heard
D.
has never heard
【单选题】—How do you like the song Two Butterflies? — Great! I _____ such a beautiful song before. [ ]
A.
don't hear
B.
never' hear
C.
have never heard
D.
has never heard
【单选题】—______ is 'The Same Song' shown on CCTV-3? — Once a week. [ ]
A.
How long
B.
How often
C.
How soon
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