2010年7月大阪大学松永幸大等在染色体中找到了一种使姐妹染色单体连接成十字形的关键蛋白质，病将其命名为“ASURA”。下列与之有关的叙述不正确的
It is said that umbrella was invented over four thousand years ago by Chinese people． A．a B．an
下列实验操作均要用玻璃棒，其中玻璃棒的作用及其目的相同的是 ① 过滤 ② 蒸发 ③ 溶解 ④ 向容量瓶转移
双曲线的渐近线与圆的位置关系为 A.相切 B.相交但不经过圆心 C.相交
—_______ is the man behind the tree? — He is my teacher. A. Who B. Where C. What
下列词语中没有错别字的一组 A. 自出机抒 居高临下 气势碑礴 虚无缥缈 B．披枷带锁 连绵不断 荆棒遍地 喘息甫定
圆弧拱桥的跨度为12m，拱高为4m。则桥拱所在的圆的直径为.. ．
Are you truly happy? Do you ever know what it means to be happy and what it takes to achieve happiness? 71 The following are a few tips that I follow to create happiness in my life. ※
