关于梅毒疹，错误的叙述是
A．可见于全身皮肤粘膜
B．为斑丘疹
C．可不治自愈
D．镜下为血管炎和肉芽肿性病变
参考答案：D
I really appreciate ____ to relax with you on this magicisland. [ ]
A. having time
B. to have time
C. to have had time
D. to having time
截止阀方向为（）。
