数码相机是一种新兴的照相器材，它同普通照相机不同之处，在于它没有底片，而是通过一个特殊的感光层CCD，将图像的光信号转化成为数字信号保存

起来。下表是某数码相机的一些参数，请你根据这个表格，用所学过的知识来说明，感光层离开镜头的距离要满足什么条件：     ____        ；要成像，物体离开镜头的距离要满足什么条件：      ____                       。

下列有关苯的叙述中错误的是(　　)

按拼音写汉字

    Share your feelings when you need help. Sharing a problem is like cutting it ____However, maybe it's really hard to tell someone that you are feeling ____or worried. If you are too shy and want to be a little braver than before, please listen to my ____.

    Talk with your parents. Your parents have more ____than you. And they never ____to help you. But sometimes communication (交流) between parents and children is a problem. So if you don't want to talk with your parents, what should you do It's a good idea to find someone you ____ to talk to like a teacher. He or she can help you ____ your problems.

    After finding someone you can talk to, you need to decide how to talk about your problems. If you ____ it's difficult for you to say what you think, write it down on a(n)____of paper. It might help.

    Problems and worries are normal in life. But ____you talk about them with others, you could make yourself ill (不舒服). So please deal with (处理) your feelings in a right way before it's too late.