DNA在根尖细胞中主要存在于 ①叶绿体②线粒体 ③细胞核 ④高尔基体 ⑤核糖体[ 发布时间:2017-04-22 20:22 │ 来源:www.tikuol.com 题型:选择题 问题: DNA在根尖细胞中主要存在于①叶绿体 ②线粒体 ③细胞核 ④高尔基体 ⑤核糖体[ ]A.①②③B.②③C.②③④D.③④⑤
题型:选择题 In ancient times, people rarely travelled long distances and most farmers only travelled ________the local market. [ ]A. longer than B. more thanC. as much as D. as far as 查看答案