题目

下列有关胚胎工程的叙述，正确的是（ ）A. 胚胎分割是指借助一定的技术将原肠胚一分为二B. 胚胎移植属于无性繁殖，大大缩短了供体本身的繁殖周期，提高母畜的繁殖潜力C. 选用同种、同期发情的母畜作受体时，基本上不会发生免疫排斥反应D. 试管动物是指从体外受精到完成整个胚胎发育都在体外的“试管”中进行所得到的动物 选词填空(no longer; any longer; any more; no more) (1)I can stay here ________． (2)He is not living in the small room ________． (3)Don't think about it ________． (4)I have ________ money．Could you lend some to me? (5)After the accident, he could ________．walk as usual．