题型：选择题 — Let's bet on Tom's performance in the coming examination; the loser has to treat the other to a dinner. — ______________. [ ]A. I'm afraid so B. You've got a point C. It's a deal D. You are welcome 查看答案
题型：判断题 根据《国境卫生检疫法》的规定，受入境检疫的船舶，必须按照悬挂检疫信号，在卫生检疫机关发给入境检疫证前，不得降下检疫信号。夜间入境时，在船舶的明显处垂直悬挂下列灯号：红红白红四盏，表示本船有染疫或有染疫嫌疑，请即实施检疫。( ) 查看答案
