A blind boy sat on the steps of a building with a hat by his feet. He held a sign which said, "I am blind. Please help me."

    There were only a few coins in the hat. A man was walking by. He took out a few coins from his pocket and dropped them into the hat. He then took the sign, turned it around, and wrote some words on it. He put the sign back so that everyone who walked by could see the new words.

    Soon the hat began to fill up. A lot more people were giving money to the blind boy. That afternoon the man who had changed the sign came to see how things were. The boy recognized(认出) his footsteps and asked, "Are you the one who changed my sign in the morning? What did you write?"

The man said, "I only wrote the truth. I said what you said, but in a different way."

    What he had written was, "Today is a beautiful day, but I cannot see it."

    Do you think the first sign and the second sign were saying the same thing?

    Of course both signs told people the boy was blind. But the first sign simply told people to help by putting some money in the hat. The second sign told people that they were able to enjoy the beauty of the day, but the boy could not enjoy it because he was blind.

如图：PC∥AB，QC∥AB，则点P、C、Q在一条直线上．理由是：____．

为了让艺术更加深入地走进百姓生活，北京天桥艺术中心提出了“让大众走进艺术、让艺术走进生活——艺术8小时”公益计划。为落实这一计划，该中心推出了“惠民票价政策”，降低观看“门槛”，吸引普通老百姓走进剧场，感受表演艺术的精彩与魅力。这一计划的实施有利于（    ）

①坚持社会效益与经济效益并重的原则，加快发展文化产业

②发展公益性文化，保障市民基本文化权益

③大力宣传先进文化，扩大高雅文化的影响力

④推进文化事业发展，丰富市民文化生活

____ ，依依墟里烟。