题目

阅读下面的短文，然后按照要求写一篇150词左右的英语短文。 In junior high school, one of my classmates, Ethan, was addicted to TV．This boy simply knew everything about such pop shows as Who's the Boss? Then one day Ethan's mother made him an offer in order to draw him back to his school subjects．She promised that she would give him $200 if he could go a full month without watching any TV．None of us thought Ethan could do it, but he did quit TV．His mom paid him $200．He went out and bought a TV, the biggest he could find． In recent years, hundreds of schools ha相同温度和压强下，等质量的下列气体中体积最小的是（   ） A．O2B．NO C．N2D．CO2