Archaeology is a science that studies past cultures and the way people lived based on the things they left behind.
People1things because those things aren't important or because the people have too much of those things already. By 2 the garbage pile of a civilization (文明), scientists can find out what was 3 to those people(or what they had too much of).
Why is this important? Sometimes, 4 is all that's left of a people. Especially if that people has been 5 by others, the buildings, tools, and food were probably6 or destroyed long ago. A people's garbage, especially if it was also trash to the 7, might be left alone, allowing archaeologists to 8 more about a people who left few clues to what they liked and didn't like.
Did they wear certain clothes? What kinds of 9 did they eat? Answers to all these questions can be found 10 sifting (筛) through a midden (堆肥).
It could also be possible to find out more about a conquered people by 11 the rubbish of their conquerors. Some invaders, not 12 knowing what's valuable to the people they're conquering, might as well throw away things that are extremely 13. It is left to archaeologists to find these things and 14the life stories of people long since 15.
One person's trash could be another person's treasure.
China has announced that it will allow each couple (have) up to three children , (mark) the end of a strict two- child policy
According to state media outlet xin hua, the change (approve) by president xi jinping in a politburo meeting.
It comes after a once- in- a- decade census (普查) showed that china's population grewits slowest pace in decades .
This added (press) on Beijing to boost measures for couples to have more babies and avert a population decline.
China's census, (release) earlier this month, showed that around 12 million babies were born last year- a significant decrease from the 18 million in 2016, and the ( low) number of births recorded since 1960s.
It was (wide) expected after the census data results were released China would relax its family policy rules
中国开放三孩时代
Rain is of greatly importance to us. Without rain, our water supply would cut off and we would die, such would plants and animals. Therefore, too much rain does a lot of harms to us. It floods fields, towns and cities, cause great losses for us. So far, man's control over rain had never stopped. If we can gain more effective control over rain, we will enjoy more freedom from the nature. Luckily, we humans have taken steps, such as planting more trees or using weather forecasts, to help avoiding flood damage and protect our water supply.
