When was Ralph Waldo Emerson born? A: January 4, 1801 B: May 25, 1803 C: August 30, 1806 D: December 31, 1800
When was Ralph Waldo Emerson born? A: January 4, 1801 B: May 25, 1803 C: August 30, 1806 D: December 31, 1800
在三角形abc中,已知ab=5,ac=6,bc=根号31,则A=?
在三角形abc中,已知ab=5,ac=6,bc=根号31,则A=?
In 1803 the United States purchased Louisiana from _____.
In 1803 the United States purchased Louisiana from _____.
哪个图中的尺寸标注是正确的[img=520x103]1803c97353ab31c.jpg[/img] A: (2) B: (3) C: (1) D: (4) E: (5)
哪个图中的尺寸标注是正确的[img=520x103]1803c97353ab31c.jpg[/img] A: (2) B: (3) C: (1) D: (4) E: (5)
国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923
国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923
霍尔效应哪一年发现的? A: 1881 B: 1879 C: 1803 D: 1831
霍尔效应哪一年发现的? A: 1881 B: 1879 C: 1803 D: 1831
已知△ABC≌△DEF且∠A=52°,∠B=31°,DE=10cm,若∠C=∠F,求∠F的度数与AB的长.
已知△ABC≌△DEF且∠A=52°,∠B=31°,DE=10cm,若∠C=∠F,求∠F的度数与AB的长.
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
已知直线AB的象限角为东南31°40′20″,则该直线的坐标方位角为()。 A: 211°40′20″ B: 148°19′40″ C: 58°19′40″ D: 31°40′20″
已知直线AB的象限角为东南31°40′20″,则该直线的坐标方位角为()。 A: 211°40′20″ B: 148°19′40″ C: 58°19′40″ D: 31°40′20″
卢浮宫是_______年向公众开放的?( ) A: 1789 B: 1803 C: 1792 D: 1793
卢浮宫是_______年向公众开放的?( ) A: 1789 B: 1803 C: 1792 D: 1793