classrooms 的s读 “s” 还是“z”

classrooms 的s读 “s” 还是“z” classrooms s的发音 classrooms的s的音标是什么? rulers的是的音标是什么? It's time for class.Children ran to the classrooms quickly同义句改为It's time for class.Children（ ）（ ）the classrooms. directions s 读s还z 在我看来,保持教室清洁对我们是很重要的.___ ＿＿ ＿,it＇s very important for us　to　keep　our　classrooms　clean． He eats in the classrooms为什么翻译中eat不加s He eats in the classrooms为什么翻译中eat不加s A.books ,(ks) B.bags,(gs) C.zoos,(s) D.classrooms,(s) 哪个与其他三个发音不同 A.books ,(ks) B.bags,(gs) C.zoos,(s) D.classrooms,(s) 哪个与其他三个发音不同 Don't arrive late for class.Don't eat in the classrooms.class,classroom,同为名词,为什么class后面不加S,classroom加S? The students are having an English class in the classroomThe students are having an English class in the_______(classroom/classrooms).这里是用哪个?Don't eat in the classrooms.为什么这里classroom加S it's complicated it's confused it's ×××,×××还可以是什么C开头的单词? 根据上下文和第一个字母的提示,将对话补充完整A：Is this your s （ B：Yes,it is .This is our p( ).T( ) are our classrooms.A:Is t( ) a library inyour school?B：Yes,it's in that b( ).A：Is there a s( ) in your school?B:Yes.The sw where's后面的S应该读z 还是s cheers的s读z还是s basketballs的s读s还是z 用MATLAB求出G(s)=(s*s+2s+2)/(s*s*s*s+7s*s*s+3s*s+5s+2)的极点