题干

函数y 的定义域是(  )


A:(0,1)

B:(0,+∞)

C:(1,+∞)

D:1,+∞)

上一题 下一题 0.0难度 选择题 更新时间:2019-06-11 12:38:37

答案(点此获取答案解析)

D

同类题1

阅读上栏中几个人物的信息,从下栏中选出与之相对应或他们最感兴趣的信息。其中有一项为多余选项。

____I'm Grace from the USA. I like singing very much and I am good at it. I want to join a music club.

____I am Anna. I am twenty-seven years old. I can sing and dance. I can also speak English very well. Now I want to find a new job.

____I am Tom. I often get up at half past six every morning, but these days, I often get up late. It usually makes my teachers angry. What should I do?

____I am Zhang Jian from Shandong Province. I like animals very much. My father says he will take me to a zoo this weekend. But we don't know where to go.

____My parents are very strict with me in my study. I have to do my homework and I can't watch TV or listen to music on school days. I don't have any fun.

A. Welcome to the Red Star Zoo. There are many kinds of animals in it. Take your children here. And you can enjoy half price on weekends. I'm sure you'll have a good time.

B. I think you should buy a clock. Put it on your desk. It can wake you up (叫醒你) in the morning. Or you can ask you parents to wake you up. And you also should go to bed early at night.

C. As a student, you have to study hard. Maybe you can talk with them. You can tell them you should relax after doing your homework on school days.

D. We need a teacher who can sing and dance. If you can speak English, it is better. Please call

Joy at 780-4362.

E. I think you should brush your teeth twice (两次) a day. It is good for your health. If you don't do that, your teeth will be bad.

F. Hi, boys and girls. Please come here and join the music club. In the club, you can learn popular songs, listen to them and make some new friends. Please call Jack Smith at 567-0429.