入境船舶白天入境检疫时,夜间入境时,在船舶的明显处垂直悬挂红红白红灯四盏,表示本船有染疫或染疫嫌疑,请即刻实施检疫。
参考答案:对
当体温下降到24℃~26℃时,人就发生()
A、血管硬化
B、失去知觉
C、发生死亡
Dear students, please read every sentence carefully.
The more _____ you are, the ______ mistakes you'll make. [ ]
A. carefully; fewer
B. careful; less
C. careful; fewer