题目

I want to be a teacher. I can help many students l_____     86. ______________ things well. When I see many doctors save their ______, I       87. ______________ want to be a doctor. I think I can be a doctor when I g_____ up.   88. ______________ Then I can help many people out of _____(危险). I will be the    89. ______________ _____(快乐的) girl in the world.  I want to be a reporter         90. ______________ _______ I watch TV. We can get lots of important              91. _______________ i________ from them. And I can learn a lot abou样本2002、2003、2004、2005、2006的极差是（　　）A．4B．3C．2D．1