完全退火和等温退火用于（）。A、亚共析成分的碳钢 B、合金钢的铸件 C、热轧型材 D 发布时间：2017-05-12 15:10 │ 来源：www.tikuol.com 题型：多项选择题 问题： 完全退火和等温退火用于（）。A、亚共析成分的碳钢B、合金钢的铸件C、热轧型材D、焊接结构E、锻件
题型：多项选择题 短文改错此题要求改正所给短文中的错误如有错误(每行只有一个错误), 则按下列情况改正:此行多一个词:把多余的词用斜线(\)划掉, 在该行下边横线上写出该词, 并也用斜线划掉。此行缺一个词:在缺词处加一个漏字符号(∧), 在该行下边横线上写出该加的词。此行错一个词:在错的词下划一横线, 在该行下边横线上写出改正后的词。注意:原行没有错的不要改.I still remember how nervous I am on my first day in the new school three years ago, while I found it difficult to follow my teacher in the first English class. The teacherspoke English throughout the class, that was totallydifferent from the lesson I have before.In the morning class a next day, the English teacher came to me while I was reading the text loud like otherstudents. After listening to her for a while, she gave me a big smile and said she liked my voice very much. The smile shone on thewhole day and the following day. A week later on, I volunteered to take charge of the English study in my class. Thanks to the comforted smile, I began to feel confident from then on. 1. _____2. _____3._____4._____5._____6._____7._____8._____9._____10._____ 查看答案
题型：多项选择题 目前常用的非血缘脐带血选择标准是（）A.人类白细胞抗原（HLA.-A、B和DRB1血清学配型4～6/6相合B.HLA-A、B血清学配型，HLA-DRB1基因配型4～6/6相合C.有核细胞数/受者体重D.CD34（+）细胞数/受者体重E.细胞活性 查看答案