题目

Every year thousands of people are killed or hurt in road accidents in the UK.There are rules to make the roads safe, but people do not always follow the rules.Sometimes they are careless. If everybody obeys the rules, the roads will be much safer. How can we make the roads safer?Remember this rule. In the UK traffic keeps to the left. Cars, buses and bicycles must all keep to the left side of the road. In many other countries traffic keeps to the right.Before crossing the road, stop and look both ways. Look right and left. Then, if you are sure that the road is clear, it is safe to cross the 　 如图，甲刻度尺的最小分度为________，被测物长度为________，乙刻度尺的最小分度为________，被测物长度为________．