下列关于利用细胞工程技术制备单克隆抗体的叙述,不正确的是( )
A：给小鼠注射抗原,是为了获得能产生相应抗体的B细胞
B：B细胞与骨髓瘤细胞混合培养,是为了获得融合细胞
C：杂交瘤细胞进行体外培养,是为了获得单克隆抗体
D：杂交瘤细胞进行体内培养,是为了获得能产生单克隆抗体的胚胎
当我们自身的生命健康受到他人的非法侵害时，我们有权（ ）
①依法自卫 ②对他人实施报复 ③请求法律保护 ④置他人于死地
下列关于生物体内化合物的说法，正确的是（ ）
Xiao Qing is my friend. He is thirteen years old. He is in a big school. There is a playground in the middle of his school. The red classroom building is on its left and on its right is the library. Behind the playground is the dining hall. Xiao Qing and his classmates have lunch there from Monday to Friday. Every day they can eat meat. Today is Friday. They eat beef .There is soup, on Wednesday. It's Xiao Qing's favourite. Basketball is his favourite sport. He plays it on Tuesday and Thursday afternoon. But his classmates play football and jianzi. Today is Xiao Qing's birthday. He wants a football. So he can play it with his classmates.
