下列符合神经纤维瘤病的是（）
A.有家族遗传史
B.无家族遗传史
C.肿瘤是单发的
D.多伴有厚甲
E.无咖啡斑
参考答案：A
The special news program analyzed the extent _________ people’s daily lives have been changed by modern inventions since the 1890s.
A．in which
B．at which
C．on which
D．to which
妇女妊娠期空腹血糖浓度较其非孕期（）
A.低
B.高
C.无显著差异
D.先高后低
E.先低后高
