题目

某同学为进一步了解“视力矫正”的原理，利用探究凸透镜成像规律的装置做实验．它在发光体和凸透镜之间放置不同类型的镜片，观察到了如下现象． （1） 将近视眼镜片放在发光体与凸透镜之间，光屏上原来清晰的像变模糊了；使光屏远离透镜，又能在光屏上看到发光体清晰的像．这说明近视眼镜对光线有作用，他应该是透镜．据此可知，在近视眼得到矫正之前，物体的像成在视网膜的（填“前方”或“后方”）． （2） 取下近视眼镜Students often meet with questions as follows: bullied by someone, worried about a weak subject, puzzled by family problems or concerned about pets at home. All the questions above may make you not concentrated on your study. Who can you turn to if you are such an unlucky student? A great person to share your thoughts and feelings with is your school counselor (顾问).     Add school counselors to the list of people you can turn to when you need help. They know how to listen and can help kids with life's challenges (挑战). Counselors have special training in how to help kids solve problems, make decisions, and stand up for themselves. That doesn't mean your counselor will wave a magic wand and the problem will go away. But it does mean he or she will help you cope with it. Coping is an important word to know. Sometimes, kids and grown-ups have difficult problems. Coping means that someone is trying to handle these problems and make things better. Your school counselor is available for you and wants to make your school experience the best it can be. The counselor's job is to take your problem seriously and help you find a solution. The counselor also wants to help you learn as much as you can in class, be a contributing member of the school community, and be a positive influence on your environment. From the underlined sentence we may infer that ______.   A. a school counselor is one of those who can help you   B. school counselors are those you can make friends with   C. one needs various people to help him or her   D. one has to know and deal with all kinds of people at school According to the passage, which of the following happens that you may not turn to the counselors?   A. Other students treat you cruelly.             B. You are too poor to go to school.   C. You are weak in one subject.                D. You have family problem. What does the writer think of the school counselors?   A. They can solve any questions you meet with.     B. They can help students get their life or study improved.   C. They are as important as teachers in schools.   D. They may punish those who have bullied you. Which of the following may be the best title of the passage?    A. School counselors    B. School problems    C. Students’ problems    D. Free counselors