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让某一品系的红果番茄自交,F1中有红果番茄也有黄果番茄(遗传因子用R和r表示).若让F1中红果番茄种植后随机交配,F2中各种遗传因子的组成比例是多少? 英语填空!we can often see these words_____ (write) on the wall of the library "be quiet pleaswe can often see these words_____ (write) on the wall of the library "be quiet please" 连词成句 teacher,is,in,our,English,library,the(.) Read the story book in class改为否定句 keep,in the library,quiet,please连词成句 英语缩写I'll是什么意思?I'll ENGLISH it will 缩写it'll 怎么读? 像've,'re,'ll,'d 这样的英语缩写应该怎么发音呢? 怎么用键盘打出英语音标? 怎么样打出像“3”的那个英语音标?最好打出来! As we all know,time is more important than money.We will take part in the entrance examination to senior high school next year.So we must concentrate on study now.However,some of the student are always wasting time.They often spend more time playing 求英语作文学霸请来假设你是Emille,要为Frandy开一个派对,庆祝他四十岁生日,邀请朋友Anna和Sam来参加,时间是下周六,十一月七日晚上六点,地点是名为Sunward Fishery Restant的餐厅.2013年11月1日,你给 The sign means danger.改为一般疑问句_____ the sign _____ danger? the sign means“ ”（danger）.填什么,为什么 I'd love to 中I'd是I ____的缩写、快点, I'd love to .I'd是什么的缩写啊 意思是什么啊 the sign means “no litttering“（一般疑问句） OK,I’d love it Icona Pop - I Love It 中文歌词RT 让红果番茄自交,F1有红果番茄,也有黄果番茄,如果让F1中的红果番茄种植后随机交配,在F2中各基因型比例RR:Rr:rr= 4:4:1 荣辱不惊,闲看庭前花开花落；去留无意,漫随天外云卷云舒 出自 那里 闲看庭前花开花落,漫随天外云卷云舒 荣辱不惊,闲看庭前花开花落；去留无意,漫观天外云卷云舒! Besides helping students to become more,(interesting/interested)in English选哪个为什么 翻译:Many students coming out of college are more interested in a customer's motivation than they are in closing a sale. ---Now more and more Chinese senior students are applyingfor admission to American universities through SAT.---________.But taking an SAT may cost one more than 10,000 yuan.A.I hope so B.Not really C.That’s the case D.That sounds reasonable To my __,he came to the cinema on time. A、surprise B、surprising C、surprised D、surprisesWe are surprised ___the news.A、at B、to C、with D、forWhile I was walking along the lake,I saw some fish___out of the water.A.jumped B.to jump C. 荣辱不惊闲看庭前花开花谢,去留无留坐观天外云卷云舒一般用在怎么样的作文里? 要写作文,写听东西,怎么写那些不能听的东西,比如花开花谢,云卷云舒,切入点是什么 They will come back any minutes 还是in any minutes? they will be back (in 30 minutes).对括号部分提问 （ ） （ ） （ ）they be back? 请问作文《春天,毕竟是春天》怎么写? "宠辱不惊 看花开花谢 去留随意 任云卷云舒" 出自哪里?