细胞的全能性是指[ ]
A.细胞具有各项生理功能
B.已分化的细胞能恢复到分化前的状态
C.已分化的细胞全部能再进一步分化
D.已分化的细胞仍具有发育成完整个体的潜能
答案:D
“大将筹边尚未还,湖湘子弟满天山。新栽扬柳三千里,引得春风度玉关”所反映的史实是 [ ]
A.左宗棠收复新疆
B.阿古柏入侵新疆
C.俄国侵略我国伊犁地区
D.英国侵占新疆地区
When was the United States transformed into a truly industrial country a. In the twentieth century. b. At the turn of the last century. c. During the Civil War. d. Between the end of the Civil War and the mm of the 20th century.