Noah’s Ark is aimed at collecting eggs, embryos (胚胎), semen (精液) and DNA of endangered animals and storing them in liquid nitrogen(氮Dr. Duane Kraemer, a professor in Texas A && M’s … 1. The aim of “Noah’s Ark” project is to. A. make efforts to clone the endangered pandas B. save endangered animals from dying out C. collect DNA of endangered animals to study D. transfer the nuclear of one animal to another .
A. Kraemer and his team have succeeded in cloning a dog B. foreign scientists try to implant a panda’s egg into a rabbit C. Kraemer will work with Chinese scientists in clone researches D. about two thousand species will probably die out in a century
第三,反思和不足
1.在本阶段的课题实施过程中,课题组能始终做到试卷批改及时到位,试题内容和错误分析全面,课堂讲评重点突出,努力从教师自身的投入上提高教学的有效性;同时能够在讲评过程中给予学生解题指导,帮助学生提高发现问题、分析问题和解决问题的能力。
2.、但在教师重视讲评的前期工作的同时并没有非常重视学生在试卷讲解前的订正和试题讲解后的巩固的过程。 3. 要提高试题讲解的有效性需要一定的策略,教师应针对不同题型做进一步的具体研究,而在本阶段,我们在这一点上还做得不够,还存在着不足,需要更多的重视和改进。
4. 课堂讲评方式过于单一,老师讲的多,学生的参与少,使得课堂教学单调乏味,导致“高耗低效”的现象。