纱疵分级坐标图，长度在2-8cm之间，截面比正常纱线粗250%以下的区域包含（）.
A、C2
B、C3
C、D2
D、D3
参考答案：A, C
9．Creative people are in a better position to succeed in both university and society than_________who may just be good test-takers.
A．that
B．those
C．one
D．They
绒毛状腺瘤均应______________，因为绒毛状腺瘤癌变的可能性很大。
