电视机的荧光屏上经常粘有灰尘，这是因为电视机工作时，屏幕上带____，而具有了____的性质．

下列物体中，不是光源的是（　　）

    There is a man and he calls the police when he loses a pet. He a lways asks the police to help him look for it.

    “I lost my pet bird，”he tell the police one day.“She can sing songs. Can you find her for me?”

    “I'm sorry，”the policeman says.“It isn't our job（工作）to look for birds. If you leave a window open in your house，the bird may come back.”

    Another time，the man calls the police and says，“I lost my cat. （A）你能帮我找到他吗？He can  talk. ”

    “I'm sorry，”the policeman says.“（B）It isn't our job to look for cats. You should put the telephone down quickly. Maybe（也许）he is calling you now and tells you where he is. ”

以“春风”开头，仿照例句仿写句子

例：歌声如行云流水，让人了却忧虑，又如澎涛骇浪，拍打着你心底沉淀的情绪。

仿写：春风