驾驶机动车在路口遇到这种信号灯亮时，不能右转弯。
参考答案：错
蛲虫病的临床表现，哪项是其特征
A．食欲不振
B．精神烦躁
C．睡眠不安
D．肛门、会阴部奇痒
E．面黄肌瘦，腹痛恶心
The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.
A.boss
B.knuckle
C.skeg
D.strut
