生物技术的发展速度很快,已灭绝生物的“复生”将不再是神话.如果世界上最后一只野驴刚死亡,以下较易成为“复生”野驴的方法是( )
A:将野驴的体细胞取出,利用组织培养技术,经脱分化、再分化,培育成新个体
B:将野驴的体细胞两两融合,再经组织培养培育成新个体
C:取出野驴的体细胞的细胞核移植到母家驴的去核卵细胞中,再经胚胎移植孕育培养成新个体
D:将野驴的基因导入家驴的受精卵中,培育成新个体
Travel information
Place of interest
Beihai Park
Dongting Lake
Mount Mang
Location (位置)
Behai District
Yueyang City
Yizhang County
Phone Number
3886699
3329666
3726868
Price of Ticket
¥150
Free
¥120
Description
An amusement park with a lake
A lake with plenty of fresh fish
A famous forest park
阅读动物行为研究资料:“当香蕉被挂在高处,黑猩猩徒手拿不到时,它会尝试着把几个木箱堆叠起来,然后爬到箱顶取摘香蕉.”结合上述动物行为的表现,回答相关问题:
成语“金蝉脱壳”中,“壳”指的是:( )
阅读理解 The best thing about going to school is learning how to read. Books are great friends. They can help you to learn about anything you want to know. They can go anywhere with you. You can read about animals, faraway places, people, and anything else. Books are written by people called authors(作者). Authors think of things they want to write about. They make a plan for a book and start to write .Some authors write books that give us information(信息)and teach us things. Authors are very important people because they help us learn. Find a good book to read and read every day ,You will enjoy your time with a good book.
昆虫种类
害虫
害虫天敌
蚜虫
(头/枝)
螨
(头/叶)
小花蝽
瓢虫
盲蝽
生态果园
39.3
0.34
0.47
0.29
0.33
对照果园
79.1
2.58
0.15
0.16
0.02