须字怎么读

i am late for going to school 我们知道i ma late for school i am late for work.但是有i am late for doing sth 例如 i am late for handing in my homework.i am late for going to school.我知道可以说i hand in my homework late.但是我想知 I"m going to m____ to a new school.紧急 i'm going to school和i'm going to school 哪个表达是对的呀,为什么? 正则表达式"\b((?abc)\w)+\b”是什么意思?abc)w到底是什么意思? 正则表达式[^abc] 匹配的是非a 或非b 或非c ,怎么匹配非abc呢? 什么颜色的光其波长在可见光中最长 疑是银河落九天的九天什么意义 光谱中7种颜色从波长最长排到波长最短的排列顺序 下册,平行四边形 网名.比较华丽但是又很孤单寂寞的那种不要火星文等,好的话会加悬赏跟爱情无关的 文字要优美点 正则表达式 [abc] 与 [a|b|c] 的区别是什么 如图,在△ABC中,∠ACB=70°,∠1=∠2.求∠BPC的度数. 正则表达式(aa|b)*(a|bb)*的含义请问正则表达式(aa|b)*(a|bb)*的语言含义是什么 正则表达式证明:(A|B)*=(A*B*)*=(A*|B*)*, It's 6:00 in the moning .I think the shop _____.A.close B.is closed C.close D.is closing Is the shop_____(copen)or______(close)closed now?应该是open The door of the shop is ____(close/closed) now.It will ____(open/opened) tomorrow.为什么第一个填closed 第二个填open. 为什么使用280nm紫外吸收法测定蛋白质取决于完整肽键?先谢谢二位,但是我的问题还是没有得到解答.baoxianxie,书上写的可是因为酪,色,苯丙氨酸的共轭双键,不是酰胺键啊.ru136199的答案就是书上 1.The shop in our school _____late in the evening.a.is closed b.close c.is closing d.is closes 蛋白质分子在280nm处的吸收峰主要是由哪种氨基酸引起的 使用紫外吸收法测定蛋白质浓度的时候280nm比260nm低是怎么回事啊?蛋白是我们从市售牛奶中离心提取的酪蛋白 蛋白质溶液在280nm有特征峰,该波长是固____________法测定蛋白质含量所采用的波长,原题就是这样,该填什么,谢谢 -Tony,it's time____you to go to school.Hurry up.-Don't worry.1.-Tony,it's time____you to go to school.Hurry up.-Don't worry.There's a little time____.I'll be Ok.A.for,left.B.of,to leave.C.to,for leaving2.-You have to practice________.-What kind of pr hurry up,__________go to school on time 1.hurry up!lt's time of us( )A.to go to school B.went to schoolC.goes to school D.go to school2.l don't feel like eating( )A.something B.anything C.nothing D.everything3.today it ( ),so we went to a museum,it was boring and ( )A.rained; uncrowned B.r Mike()to school.括号里填hurry,hurrys,还是hurries Mike hurries to school中的hurry为什么要变成hurries 数字201314是爱你的意思, 核酸中影响Tm值的因素有哪些? 带有可解离基团的按计算等电点的计算?我知道PI=(PKa+PKb)/2,但有可解离的R集团时该如何计算.例如酪氨酸的等电点是5.66 PKa=2.20 PKb=9.11 PKR=10.07 而天冬氨酸的等电点是2.77 PKa=1.88 PKb=9.06 PKR=3.65 赖 核酸与蛋白质一样也有等电点, 核酸对紫外线的最大吸收峰是?