艾滋病、肝炎、禽流感都是由病毒引起的，以下对病毒的描述不正确的是（　　）

学习了“质量”后，小明有一个疑问：物体的质量与其形状是否有关呢？为此，他设计了一个实验来探究这个问题：用一块橡皮泥作为被研究的物体，将橡皮泥捏成各种形状，用天平分别称出其质量，并记录数据于下表中。

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   He may be still young, but he may surprise you! If you ask around, many would say that Jay Chou has become the real king of the____ m___ world. As a child, Jay Chou was never good at his____ l___, and when he didn’t get into any college, a lot of people said that he would not have a good____ f___. His mum always ____ w___ about his future, but he never did. Growing up in a single-parent family, Jay ____ f___ lonely. Without many friends, he had a habit of daydreaming, dreaming into his world of music. So how did Jay get into music? ____ A___ the age of three, he started to learn to ____ p___ the piano. His mother always ____ m___ sure he practiced hard. Later, he started out as a song writer.
   Jay’s songs are very moving. His____ s___ “Dad, I am back”, is about a broken family. “I heard that after war（战争） there is peace（和平）. Why do I always see my dad beating my mum? Since I was ____ y___, you have told me to learn from you, use you as a model. So much pretense（虚伪）. How do you expect me to be like you!”