我国现阶段经济制度中,占主体地位的是 ,对经济发展起主导作用的是 。
用10个均匀材料做成的各面上分别标有数字1,2,3,4,5,6的正方体玩具,每次同时抛出,共5次,则至少有一次全部都是同一数字的概率是( )
完型填空 Books are our greatest friends. They 1us stories of every country in the world. They give us all kinds of 2 . Life is short. One can not know and see 3 in the world. 4 the help of books, one is able to know what happened thousands of years ago and 5 is happening in every part of the world now. Books give us not only knowledge 6 pleasure. Reading good books is the best way of7 our free time. And many beautiful stories for children are 8and full of wisdom(智慧). All the great men 9 books. Knowledge from books helps them to succeed, because books are the source(源泉)of knowledge and knowledge is the source of 10 .