高等动物体的胚胎发育过程遵循()。A、生物发生律 B、不可逆律 C、平行律 D、适应 发布时间:2017-07-25 14:06 │ 来源:www.tikuol.com 题型:单项选择题 问题: 高等动物体的胚胎发育过程遵循()。A、生物发生律B、不可逆律C、平行律D、适应辐射
题型:单项选择题 完形填空。 Elena Desserich was a little girl. She loved to 1 and write. Elena dreamed of becoming an artist whenshe grew up-but sadly, she 2 had the chance to be an adult. When elena was 5 years old, the 3 said that shehad brain cancer (癌症) and only had 135 days to 4 . Elena 5 the long days in hospital working on her painting, which were full of hearts and smiling families. 6 of her painting was shown in a gallery (画廊), right next to a Picasso's painting. Soon she lost the use of her 7 , and she began to "talk" with her family by writing notes. When Elena died, her parents were very sad, 8 they knew the day would come. When they were tidying upher things, they began to find notes. All through her final days, Elena was writing love notes to her family andhiding (藏) 9 in secret places in the house. Her parents started to collect them and all the 10 would say "I love you Mum, Dad and Grace." They kept finding them-the amazing gift from Elena. ( ) 1. A. sing ( ) 2. A. never ( ) 3. A. father ( ) 4. A. die ( ) 5. A. took ( ) 6. A. All ( ) 7. A. voice ( ) 8. A. ever since ( ) 9. A. it ( ) 10. A. notes B. play B. sometimes B. teacher B. live B. paid B. One B. eyes B. even B. her B. paintings C. paint C. always C. mother C. work C. spent C. Both C. ears C. even though C. that C. books D. read D. usually D. doctor D. paint D. cost D. Neither D. nose D. however D. them D. places 查看答案
题型:单项选择题 史学家认为,1640年~1688年的英国革命与1789年~1830年的法国革命进程有许多相似之处。二者的相似之处有①都建立过资产阶级共和国②都处死了反对革命的国王③人民群众都积极参加革命④经过反复才确立了资本主义制度A.①②B.①③C.①②③D.①②③④ 查看答案
题型:单项选择题 关于卵巢癌的预防下列哪项是错误的A.避免高胆固醇食物B.患卵巢囊肿都应尽早手术切除C.口服避孕药D.盆腔肿块诊断不清或保守治疗无效者,应及早行腹腔镜探查或开腹探查E.对患有遗传性卵巢癌综合征的女性在适当的年龄行预防性卵巢切除 查看答案
题型:单项选择题 公用工程管道及仪表流程图中应标识出的内容包括()。①与公用工程管道有关的设备的设计参数②与公用工程管道有关的管线设计参数③与公用工程管道有关的仪表控制方案④在PID中已标识的公用物料及仪表A、①② B、③④ C、①②③ D、①②③④ 查看答案