Initial evaluation Read the text and do the tasks below. Understanding Time Since the earliest times, civilizations have understood the importance of time. If you want to plan your future, or simply know how long things take to do, then the exact measurement of time is necessary. That is why ancient cultures put such a lot of effort into the development of reliable calendars and clocks. At first, people used the observation of movements in the night sky as a way of predicting annual events. The Ancient Egyptians realized that it would be useful to divide days up into smaller units of time, they were responsible for the invention of the system of twenty-four hours in a day that we still use today. The first clocks were sundials using the length of the Sun's shadow to mark the passing of the day. This worked well in sunny countries but was inappropriate for places where the sky was often cloudy. People who lived there had to wait for the development of the mechanical clock before they could tell the time with any degree of accuracy. Score A 0 2 No Items 1. Read the statement and circle the correct variant. According to the text, ancient cultures put a lot of effort into the development of calendars and clocks because: a. they wanted to plan their future. b. they wanted to measure. c. they wanted reliable cultures. bre d. they didn't live in a sunny country​