方程x3-2x2+3x-6=0在区间[-2,4]上的根必定属于区间( )A.[-2,1] B.[,4]C.[1,]
读图8,完成21~23题。 21. 图8表示的水循环类型是 A. 陆地内循环 B. 海陆间循环 C. 海上内循环
2010年4月5日,主题为“从文明的展开到文明的展台”的黄帝故里拜祖大典在新郑隆重举行,吸引了大批海内外炎黄子孙到此寻根拜祖。拜祭黄帝是因为
C Tokyo is one of those places that you can love and hate at the same time. In Tokyo there are always too many people in the places where I want to be. Of course there are too many cars. The Japanese
甲、乙两拳击动员竞技,甲一拳击中乙肩部,观众可认为甲运动员(的拳头)是施力物体,乙运动员(的肩部)是受力物体,但在甲一拳打空的情况下
下列词语中没有错别字的一组是 ( ) A.告诫 披肝沥胆 浮光略影 莫逆之交 B.渎职 文过饰非 责无旁贷
The wounded soldiers will die very soon _______ treated at once. A. if B. unless C. where D. when
There was a sudden burst of light a terrible noise. A.following B.to follow C.followed D.followed by