宫颈鳞状上皮重度不典型增生
A．炎症B．原位癌C．癌前病变D．良性增生E．浸润性癌
参考答案：C
It's known that the paper for books and magazines ________ from wood.[ ]
A．are made
B．is made
C．has been made
D．is being made
四季的变化与近日点和远日点无关。
