亚洲南面三大半岛从东向西依次是( ) A. 中南半岛、印度半岛、阿拉伯半岛 B. 中南半岛、阿拉伯半岛、印度半岛 C. 阿拉伯半岛
Beijing Olympics praised at home and abroad The curtain of the Beijing Olympics dropped on August 24th with a closing ceremony featured with carnival(狂欢节) festiveness; however, it seems that
抛物线y=x2-6x+7的顶点坐标是________.
如图,程序框图所进行的求和运算是 A. B. C. D.
英国《新科学家(New Scientist)》杂志评选出了2008年度世界8项科学之最,在XTEJ1650-500双星系统中发现的最小黑洞位列其中,若某黑洞的半径约45km,质量
如图,两个形状、大小、材料完全相同的实心物体1和2,放在水平桌面上,它们对桌面产生的压力F或压强p的大小关系正确的是 A.F1=F2
根尖吸收水和矿物质的主要部位是 A. 成熟区 B. 伸长区 C. 分生区 D. 根冠
Since China has been a member of WTO, English is useful than before. A. more B. much C. very