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【简答题】
地面某点的经度为131°08'，该点所在统一6°带的中央子午线经度是______。
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举一反三
【单选题】数据库系统(Database System,DBS) 是指采用数据库技术的计算机系统。主要由( )、用户、软件和硬件四部分组成。
A.
数据库
B.
数据库管理员
C.
操作系统
D.
工具软件
【简答题】Which part is the most important? My mother used to ask me what the most important part of the body is. When I was 1 .1 thought music and talking were the most important things, so I said: “My 2 Mommy...
【简答题】Which part is the most important? My mother used to ask me what the most important part of the body is. When I was 31 .1 thought music and talking were the most important things, so I said: “My 32 Mom...
【简答题】完形填空。 Which part is the most important? My mother used to ask me what the most important part of the body is. When I was 1 . I thought music and talking were the most important things, so I said:'My 2...
【单选题】In the improvement of communication, which is NOT mentioned as one of the most important inventions of the 20th century?
A.
The Internet.
B.
The telephone.
C.
The television.
D.
The telegraph.
【简答题】分解因式：16x 2 -9y 2 =（ ）。
【多选题】关于艾青,()描述是正确的。
A.
艾青诗歌创作的转折点是作的转折点是《向太阳》。
B.
艾青诗歌创作的转折点是《雪落在中国的土地上》。
C.
对劳动人民的爱和对祖国命运的关怀是艾青诗作的基本主题。
D.
《归来的歌》朴实、平淡、富有哲理性,艾青的创作风格向来如此。
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