题型:问答题 简答题 着色性干皮病的分子基础是()。A.Na+泵激活引起细胞失水B.温度敏感性转移酶类失活C.紫外线照射损伤DNA修复D.利用维生素A的酶被光破坏E.DNA损伤修复所需的核酸内切酶缺乏 查看答案
题型:问答题 简答题 30. He insisted on going abroad to have further study ____ his parents objection.A.by means ofB.in favour ofC.regardless ofD.on purpose of 查看答案