题目

第一节     短文改错（共10小题；每小题1分，满分10分） I firmly believe that everyone in the world loves his mother. So am I. My mother is an ordinary teacher. She always works hardly, just as other mothers do every day. In fact, she isn’t good health. She had been suffering from arthritis for many years. In spite of this, he never stops working or gives up hope. I still remember the day that my mother accepted a card of congratulations for Teachers’ Day from her director. The card was read “Thank you for your hard works; Happy Teachers’ Day to you!” At 3．已知抛物线C：y2=2px（p＞0）的焦点为F，准线为l，点P是抛物线C上一点，过P作PM⊥l，垂足为M，记$N（{\frac{7p}{2}，0}），PF$与MN交于点T，若|NF|=2|PF|，且△PNT的面积为$3\sqrt{2}$，则p=（　　）A．$\sqrt{3}$B．2C．$\sqrt{5}$D．$\sqrt{6}$