对于宫颈上皮，下列哪项是不恰当的？（）
A.鳞状上皮化生是柱状上皮下的储备细胞增生转化为复层鳞状上皮，替代柱状上皮
B.鳞状上皮化是宫颈 * * 部的正常鳞状上皮直接长入柱状上皮与基底膜之间，替代柱状上皮
C.鳞状上皮化生亦可为鳞状上皮不典型增生
D.雌激素水平升高时，可形成生理性宫颈糜烂
E.宫颈上皮是由宫颈 * * 部的鳞状上皮与颈管柱状上皮共同组成
参考答案：C
请根据句意从方框中选用合适的词，并用其适当形式填空，使句子通顺，每词限用一次。
2. Nancy doesn't go to the club any more, so she has _________ free time than before. 3. My father's ________ birthday happens to be on Father's Day. 4. Most people travel to ________ cities for their summer holidays. 5. It's difficult for us to make a ________ in such a short time. 6. Mike walked ________ into the room not to wake up his grandpa. 7. What a pity! I missed the two basketball ________ because of the exam. |