【单选题】过点M(-2,0)的直线L与椭圆x 2 +2y 2 =2交于AB两点,线段AB中点为N,设直线L的斜率为k 1 (k 1 ≠0),直线ON的斜率为k 2 ,则k 1 k 2 的值为( )
【单选题】The mankind should face the phenomenon that the world has become a world of cities with ______.
B.
efforts to improve housing condition
C.
pressure of the basic needs
D.
new models and a great deal of transformation of ideas and methods
【简答题】has become one of the world’s busiest ports?__________
【简答题】翻转课堂与传统课堂各要素之间有什么不同?
【简答题】Why could American economy become the strongest in the world?
【单选题】Why is English the most widely used language in the world? Because ______.
A.
it has the largest number of speakers in the world
B.
it is spoken not only in Britain but also in America
C.
it is one of the most important working languages in many fields
【多选题】国家的根本大法”是指宪法在法律方面的特有属性,也就是它同普通法律的不同之处,主要表现在()。
【多选题】利益法学在阐述司法过程的性质时,有两个出发点是()
【单选题】关于新中国的法律制度的表述,不正确的是( )。
B.
1954年宪法是我国第一部社会主义类型的宪法
C.
1982年对《中华人民共和国宪法》进行修订,总结了新中国成立三十多年的历史经验教训
D.
1999年,九届人大把依法治国,建设社会主义法治国家写进宪法,成为中国法治建设的里程碑