There are 30 students in a class. The average score of a math test is 80. If the average score of 20 girls is 85, what is the average score of the boys? A. 70 B. 75 C. 80 D. 85 相关知识点: 试题来源: 解析 B。本题考查平均数的计算。总分 = 30×80 = 2400,女生总分...
There are 30 students in a classroom. If 10 of them like math, how many of them do not like math?相关知识点: 试题来源: 解析 20 题目中明确给出总人数为30人,其中喜欢数学的人数为10人。要计算不喜欢数学的人数,只需要用总人数减去喜欢数学的人数即可:30 - 10 = 20。题目提供的信息完整且无...
There are thirty students in my class.我们班有30名学生。(教材P14)【点拨】“there be＋sb.sth.＋表示地点或时间的状语”意为“某处或某时间有(存在)某人或某物”。其中，be动词的形式应视主语的人称、数而定，若主语为单数名词或不可数名词，be动词用is;若主语为复数名词，be动词用are。如：There is ...
There are 30 students in the classroom. [ ] A. at little B. at less C. at least D. at more
aHere are the support and service options available where you are. 这支持和服务选择可利用您的地方。[translate] al will see what they have on the menu first l将看见什么他们首先有在菜单[translate] aschoolteacher 教师[translate] athere are 30 students in my class. 有30名学生在我的类。[trans...
百度试题 结果1 题目32. There are 30 studentsin a class. $$ \frac { 7 } { 1 0 } $$of the class are present on Monday How many students are present?C A. 9 B. 18 C. 21 D. 27 相关知识点: 试题来源: 解析 C 反馈 收藏
In a class, there are 30 students. If 10 students are boys, the fraction of boys in the class is _. A. one - third B. one - thrid C. one over thirt D. one on third 相关知识点: 试题来源: 解析 A。解析:10占30的三分之一。分子one是基数词,分母third是序数词,分子是1,分母不...
解答一 举报 答案是 C.All 第二句动词 are 说明名词是复数,只有选项 C 和 D 是复数名词,但因30 students 不能选 both,必须选 all . 解析看不懂?免费查看同类题视频解析查看解答 更多答案(1) 相似问题 There are thirty students in our class.Twenty are girls,___student. There are altogether...
there are 30 students in my class. thirtystudents myclass.教学设计授课教师:曲艺班级:七年二班 .teaching model listening speaking.teaching method pwp approach teachingaims keyvocabulary: picture computer,furniture, wall, any ,map. how many 2,keystructures: .teachingaids ohp, video teachingsteps lead...
A class has 20 girls and 16 boys. One student is selected at random. Find the probability that the student is a girl. View Solution There are 35 students in a class of whom 20 are boys and 15 are girls. From these students one is chosen at random. What is the probability that the...