肉瘤酌组织学特点是:A.肿瘤实质与间质分界不清 B.瘤细胞成巢状排列 C.间质血管丰 发布时间:2023-01-06 12:04 │ 来源:www.tikuol.com 题型:多项选择题 问题: 肉瘤酌组织学特点是:A.肿瘤实质与间质分界不清B.瘤细胞成巢状排列C.间质血管丰富D.瘤细胞弥散分布E.瘤细胞间有网状纤维包绕
题型:多项选择题 高雅的生活情趣,有益于个人的身心健康。下列属于高雅生活情趣的是[ ]A.小楠认为穿衣服,就应该穿名牌,这样才显得闲气B.小娟把自己的零花钱买了几本“口袋书”,在业余时间看C.小英利用星期天去少年宫学习绘画D.小江喜欢集邮,从别人的信件上撕下自己喜欢的邮票 查看答案
题型:多项选择题 关于DNA分子的说法正确的是[ ]A.所有DNA分子中的嘌呤碱基总数都等于嘧啶碱基总数B.DNA分子的特异性表现在四种脱氧核苷酸的比例C.把DNA分子放在含15N的培养液中复制两代,子代中含15N的DNA分子占3/4D.若DNA分子中A有P个,占全部碱基的n/m,则G的个数为P(m/2n-1)个 查看答案
题型:多项选择题 根据对话内容,从A—E五个选项选出能填入空白处的最佳答案,将其序号填在下面空白处。A: Can I help you? B: I'd like three air tickets to Beijing. A: 1_____B: On June 30th. A: June 30th? Er, I'm sorry.But all the tickets for that day are sold out. 2_____. B: Let me think. Yes,that's OK. 3_____. A: The earliest flight will leave at seven o'clock in the morning. B: Does it stop anywhere? A: No. It will go straight to Beijing. B: 4_____ A: 5_____ A. What time is the earliest flight? B. When would you like to go? C. OK. I'll get them for you right away. D. What about July 1st? E. Then I'll take the tickets. 查看答案