拟古(其七)
陶渊明
日暮天无云,春风扇微和。
佳人美清夜,达曙酣且歌。
歌竟长叹息,持此感人多。
皎皎云间月,灼灼叶中华。
岂无一时好,不久当如何?
要反映嘉兴市一天内气温的变化情况宜采用( )
如果x=2y=1是方程组ax+by=7bx+cy=5的解,则a与c的关系是( )
The computer, help we human beings have stepped into the information age, should be regarded as one of the most important inventions in the 20th century.