世博期间，游客可以乘坐游船领略世博园区美景．若某游船在浦江上_爱下问搜题

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问题填空题

世博期间，游客可以乘坐游船领略世博园区美景．若某游船在浦江上直航240米用时60秒，则该游船的速度为______米/秒．以该船为参照物，岸上的中国馆是______的（选填“静止”或“运动”）．阳光下，游船的甲板温度升高，这是通过______的方法改变了它的内能．

答案

游船在浦江上直航的路程s=240m，直航的时间t=60s，则该游船的速度为：v=

s

t

=

250m

60s

=4.17m/s．

以游船为参照物，岸上的中国馆与游船之间的距离是变化的，所以中国馆是运动的．

阳光下，游船的甲板温度升高，这是阳光照射的结果，是通过热传递的方法改变了它的内能．

故答案为：4.17；运动；热传递．

完形填空

Have you ever heard of the saying, “If you want a friend, be      !” What does it      ? There are many different things that you can do to        friends. You may find out what they are if you       someone make friends.
Here is     one new teacher made friends with the       in her class on the first day of the school. When the bell       , the teacher smiled at all the students. Then she said, “Good morning. How nice it is to have all of you    my class this year! I want to       each of you very much.. I’m sure we will enjoy working together.”
The teacher smiled, used a pleasant       and acted        a friendly way. She told the students her    and wrote it on the blackboard. Then she told them something she liked to      and hoped to do with them during the year. The students knew that she liked many of the same things they liked. Everyone felt that she        what she said. Each of them wanted to know her        and be her friend. Then she let the students tell something about        . So they felt that the teacher knew them. Could you make friends as the teacher      ?
How do you know and like your classmates? One         is to find out more about them. During the       you can talk to them. You may ask them their names and the names of the schools they went to last year. They want to know about you, too. You may tell them about your interests or your holiday experiences. It is often easy to be friends with people who have     interests and play the same games. As you talk, the others may be thinking, “I like to do. It should be fun to be friends with you.” Remember! Just talking together in a friendly way is one good way to make friends.

B．their parents

C．the teacher

单项选择题

将价格定为1000元，而不是990元，则采用的定价策略属于（）。

A.整数定价

B.声望定价

C.习惯定价

D.尾数定价