探究与实践题在全面贯彻落实社会主义核心价值观的热潮中，我市某校九年级（1）班开展了“以科技创新支撑环保未来”的研究性活动，邀请你一起参加，以下是他们收集的材料和开展的活动。
材料一：国务院总理***对环保科技工作作出重要批示：我们围绕节能减排、保障饮水安全、农村环境治理等重点任务，坚持以科技促环保，取得了明显成效。 “十二五”期间紧紧抓住影响人民群众健康和可持续发展的突出环境问题，持续推进环保科技创新，不断增强支撑能力，提高我国环保整体水平。
材料二：某污水处理厂污水处理情况分析：

材料三：小明的爸爸在离资江不远处开了一家小型水泥厂，小明邀请同学们到爸爸的工厂参观，他们发现，工厂废水直接排入了资江，就给小明爸爸讲新修订的《环境保护法》 。小明的爸爸说： “资江那么大，我工厂排放的这点废水算得了什么！ ”
阅读材料，回答问题：

对“江山如此多娇，引无数英雄竞折腰”一句在全词中所起的作用分析正确的一项是

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____  Sun Mei, 23, is a clerk in a bank. She likes playing table tennis. She would like a companion(伴侣) who is a soldier (军人) and not shorter than 170 cm. it will be good if he is a sports fan.
____  Tang Xiaoli, 29, 160 cm tall, has just come to Guangdong Province. She works as an accountant(会计) now. she hopes to find a companion who has a house of his own and at least has got a bachelor’s degree(学士学位).
____  Liu Fenghua, 56, is a retired teacher from high school. Her husband died of a heart attack()心脏病发作) four years ago. She hopes to find a companion who is 60-70.
____  Xie Qun, 24, works as a secretary in Shenzhen. She is 161 cm tall and just finished college a year ago. She loves listening to all kinds of music. She wants to find a companion who is under 30, and at least has got a bachelor’s degree.
____ Zhang Ying, 35, is a kindergarten(幼儿园) teacher. She is divorced(离婚的) now. in her free time, she enjoyed learning English. She wants to find a companion who has no housing problems, and isn’t younger than her.

A．

B．

C．

D． E. F.

取黑鼠的胚胎细胞的细胞核，注入到灰鼠的去核受精卵内，进行胚胎体外发育，将胚胎植入白鼠的子宫内继续发育，请问