选择题：已知一个梯形的面积是58平方厘米，它的上底是15厘米，下底是25厘米，它的高是多少厘米?

五(6)班图书角书架中的图书，故事书占1/3，漫画类占1/4，科技类占2/5，其余为文体类，文体类占这些书的几分之几?学历类问答题,升学考试问答题,小学升初中问答题

北京和呼和浩特相距660千米. 一列火车从呼和浩特开出，每时行驶48千米; 另一列火车从北京开出，每时行驶72千米.两列火车同时开出，相向而行，经过几时相遇?两车相遇时，从北京开出的火车比从呼和浩特开出的火车多行了多少千米?学历类问答题,升学考试问答题,小学升初中问答题

用边长30厘米的正方形地砖铺一段长12米，宽6米的人行道路面.①至少需要多少块这样的地砖?②如果地砖每平方米的售价是35元，那么购买地砖至少应花多少元?学历类问答题,升学考试问答题,小学升初中问答题

“Early to bed ，early to rise ”makes a man healthy, wealthy and wise.It's good for the body.This is an old saying . Have you heard of it before? It means that we must go to bed early at night，and get up early in the morning.Then we shall be healthy.We shall also be rich and clever.That is true .The body must have enough sleep to be healthy.Children of young age should haveenough sleep ，or they can't do their work very well. They will not be wise and they may not become。wealthy! .The body also needs exercise: walking, running, jumping, swimming, playing games and all other。exercise .Exercise keeps the body strong. Exercise also helps the blood to move around inside the.body .This is very important.Our blood takes food to all parts of our body.The head also needs.blood .Exercise helps us to think better.根据短文内容 ，回答问题.1.What does “early to bed .early to rise ”mean?2.What must the body have to be healthy?3.What will happen to Children of young age who don't have enough sleep?4.What keeps the body strong?5.What takes food to all parts of our body?学历类问答题,升学考试问答题,小学升初中问答题

Jack is a teacher of English. He is not young，but he is not old. He has a round face and black hair.He is tall. There are fifty students in his class. They all like him.Now it's in the afternoon. Look，some students are working in the classroom. Jack is there，too.He is helping them to study English. He is a good teacher， and he is a good friend of them all.()1. What does Jack do?A. He is a worker.B. He is a teacher.C. He is a doctor.D. He's a nurse.()2. What colour is his hair?A. It's black.B. His heir is white.C. It is brown.D. He has yellow hair.()3. How many students are there in his class?A. There are fifteen students in his class.B. There's fifty.C. He has fifty.D. There're fifty in it.()4. Jack is a good teacher，isn't he?A. Yes ，he isn't.B. No ，he is.C. Yes，he's.D. Yes ，he is.()5. What are the students doing in the classroom?A. They are walking there.B. They are doing their lessons.C. They are helping their teacher.学历类问答题,升学考试问答题,小学升初中问答题