眼睛棕色对蓝色是显性,位于常染色体上。一对棕眼的夫妇有一个蓝眼的儿子和一个棕眼的女儿 发布时间:2019-03-06 03:08 │ 来源:www.tikuol.com 题型:单项选择题 问题: 眼睛棕色对蓝色是显性,位于常染色体上。一对棕眼的夫妇有一个蓝眼的儿子和一个棕眼的女儿,则女儿与她母亲有同样基因型的可能性占()A.1/2B.1/3C.2/3D.1/4
题型:单项选择题 阅读理解。Basketball match: Changchun vs Shengyang Day: Saturday Time: in the morning (10:00) Place: Changchun Stadium Telephone: 70504266 Film: SupermanDay: SaturdayTime: in the afternoon and in the evening (15:00-17:00; 18:00-20:00) Price: adult 16 yuan; child half price Telephone: 62603941 Swimming lesson Day: Thursday Time: in the morning (8:00) Place: Great Swimming PoolTelephone: 58796324 Concert (音乐会) Day: Wednesday Time: in the morning (10:30-12:00)Place: People TheatrePrice: 35 yuanTelephone: 99687241 1. Where is the swimming lesson? [ ]A. Changchun Stadium. B. Great Swimming Pool. C. People Theatre.D. Great Garden. 2. When is the concert? [ ]A. On Thursday (18:00-20:00). B. On Saturday (10:00). C. On Saturday (15:00-17:00).D. On Wednesday (10:30-12:00). 3. If you want to ask something about the basketball match, you can call ______. [ ]A. 62603941 B. 70504266 C. 58796324 D. 99687241 4. On Saturday, you can ______. [ ]A. watch the basketball match and have the swimming lesson B. see the film Superman and go to the concertC. have the swimming lesson and go to the concert D. watch the basketball match and see the film Superman 5. Two adults and one child will spend ______ seeing the film Superman. [ ]A. 87.5 yuanB. 40 yuan C. 8 yuan D. 16 yuan 查看答案
题型:单项选择题 《说苑•正谏》中有记载:“园中有树,其上有蝉,蝉高居悲鸣,饮露,不知螳螂在其后也;螳螂委身曲附欲取蝉,而不知黄雀在其傍也;…”虽然这是用以比喻社会现象的寓言,但却反映出生态学中的丰富内容.寓言中所述生物之间的捕食关系,可用下列哪条食物链来表示( )A.蝉→螳螂→黄雀B.露水→蝉→螳螂→黄雀C.树→蝉→螳螂→黄雀D.黄雀→螳螂→蝉 查看答案