下列四项中，（）不作为汽油的质量要求。
A、良好的蒸发性
B、有较好的抗腐性
C、含硫量少
D、有较差的抗腐性
参考答案：C
He is a good student,and works very hard;____.
A．so it is with her
B．so does she
C．so is she
D．neither does she
属眼科专用的抗胆碱药物是
A．哌仑西平B．苯扎托品C．异丙托溴铵D．托吡卡胺(托品酰胺)E．黄酮哌酯
