下列说法正确的是( ) A.电能表是用来测量电功率的仪表 B.使用试电笔时手不能

题型:选择题

问题:

下列说法正确的是(  )

A.电能表是用来测量电功率的仪表

B.使用试电笔时手不能接触笔尾金属体

C.发电机工作时把电能转化为机械能

D.高大建筑物顶端的针状金属物用来防雷

考点:摩擦起电现象电磁感应的应用(动圈式话筒、发电机)电能表的使用及其读数安全用电
题型:选择题

请阅读下面几种假日集训班的信息:

A. You’ll spend half of each day learning different types of dance. The teachers will give you lots of tips and advice as well as help you find your own dance style to impress your friends.

B. This course is for those who are interested in making films. You and your group will be able to choose what type of film to make. You’ll become a film crew(全体人员) and create your own film ready to show to everyone else. What’s more, you’ll have your film on DVD to take home with you, too!

C. Football players at this club will experience fun and dynamic training, which aims to improve their all-round football skills. It doesn’t matter how good you are as we will normally try and put you in a group with others of a similar level.

D. Our Learner Driver holiday means that when it comes to having lessons and taking your test, you will be well ahead of the crowd. You’ll experience 30 minutes of driving each day as will as theory.

E. Our coaches will make sure you cover all the surfing basics (基础). Before you know it you’ll be getting up and riding. We promise you’ll never forget the feeling you get when you catch your first wave!

F. We will show you how to create music of different styles and then record your own professional quality tracks (录音) on CDs to take home for your friends and listen to. You don’t even need to be able to play an instrument or have any musical knowledge to get involved.

请阅读下面人物信息,并为他们选择合适的项目:

小题1:Mary lives far away from her office, and it takes her long time to get there every day. Recently, she has been thinking about buying a car, but she wants to get training before she buys it.

小题2:Laura loves music very much. She often says that she cannot be separated from her iPod. Although she doesn’t know how to play an instrument, she wants to create her own music.

小题3:Louis is a middle school student; he likes to spend his spare time on the playground. He used to watch others play football because he is not very good at it. He wants to attend a training course to improve his skills.

小题4:Wang Ling is a college student who likes to dance. She wants to take part in a party next week, so she wants to learn some new moves to try out on the dance floor.

小题5:Star is a freshman. He is an English Major, but he likes photography very much. He and his roommates often go out to take photos. They plan to go on an outing during the summer holiday to make their own film.

题型:选择题

丘疹性荨麻疹可见()

A.红色纺锤形丘疹

B.风团

C.水疱或大疱

D.丘疱疹

E.亮红色结节

题型:选择题

下列变化属于化学变化的是(  )

A.玻璃杯被打碎

B.酒精燃烧

C.灯泡通电后发光、放热

D.蜡烛受热熔化

题型:选择题

以下物体的质量最接近1kg的是(  )

A.一本物理书

B.一张学生坐的椅子

C.一只鸡

D.一个橘子

题型:选择题

国产内燃机车每()进行一次小修。

A、10~12万km

B、8~10万km

C、5~8万km

D、4~6万km

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