A:液体存放在细口瓶中
B:取用过液体的滴管放在实验台上
C:用滴管取用少量液体
D:取用过液体的滴管要用清水洗
①A2=B2 ②(B1﹣B2)>(A2﹣E2) ③B1=C1+D1+B2 ④B1>(B2+B3)
One day Eddie and Hobo looked at the ____. Eddie thought he saw a____but Hobo thought it was a ____. Because Hobo saw one ____. Eddie thought there were many bright ____and it was too____, so it couldn't be a plane.
①属于行政违法行为 ②具有社会危害性 ③属于刑事违法行为 ④应承担法律责任
现在,越来越多的志愿者和广大市民放弃个人的休息时间,活跃在大街小巷,宣传“文明出行”、“低碳出行”、“文明公约”,制止横穿马路和绿化带、翻越护栏、闯红灯等行为。志愿者和广大市民的行为说明( )