题目

It is common that more and more high school students open __51__ (them) own micro blogs on the Internet. For one thing, it can provide a colorful platform to show their talent. For another, it is a useful way __52__ (reduce) their pressure. And all these make it more and more popular __53__ high school students. But many parents and teachers hold a different view. They think that managing one’s micro blog __54__ (take) a lot of time and energy, which should be used to study. In my view, I am __55__ (great) in favor of this activity. Today the Internet is playing __56__ important and剪去鲫鱼的胸鳍和腹鳍之后，将可能发生的现象是 [　　] A．身体或左或右翻转而不能自控 B．鱼不能向前游动，越动越往下沉 C．不能向上游动，只能向前 D．不能向下游动，但可以下沉