A: 艾滋病病毒是一种单细胞生物,在分类上属于原核生物
B:由于艾滋病病毒只有核糖体一种细胞器,所以其营寄生生活
C:获取大量艾滋病病毒的方法是将其接种在营养物质齐全的培养基上培养
D:艾滋病病毒通过感染人体淋巴细胞而使免疫系统出现缺陷
同学们站队做操,男生站5行,每行28人。女生人数是男生的一半,女生有多少人?
Mr. King works very long hours every day. He usually gets up at 5:30. He brushes his teeth quickly and goes to his workplace (工作地点). Then he runs with some kids. After that he takes a shower. He eats his breakfast at 7:00. His work starts at 8:10. He is good at math and many boys and girls learn math from him. All the kids like him very much. He often talks or plays games with the kids. He usually goes to bed after 22:00. He is often very tired but he likes his job and loves the kids. He doesn’t work on weekends. Mr. King likes reading at home on weekends. Sometimes some kids’ parents come to his home to talk about their kids. When Monday comes, Mr. King gets busy again
识图填图
A发育成图2的________
B发育为图2的________
C发育为图2的________.