Question

一篇英语阅读短文回答问题，求答案

Hundreds of years ago,life was much harder than it is today,People didn't h和谐ave modern machines.There wasn't any modern medicine,either
Life today has brought new problems.One of the biggest is pollution.Water pollution h和谐as made our rivers and lakes dirty.It kills our fish and pollutions our drinking wate.Noise pollution makes us talk louder and become angry more easily.Air pollution is the most serious kind of pollution.It's bad to all living things in the word
Cars,planes and factories all pollute our air every day.Sometimes the polluted air is so think that it is like a quilt over a city.This kid of quilt is called smog.
Many countries are making rules to fight pollution.Factories must now clean their water before it is thrown away.They mustn't let dirty smoke go into the air.
We need to do many other things.We can put waste things in the dustbin and do not throw them on the ground.We can go to work by bus woth our friends in the same car.If there are fewer people driving,there will be less pollution.
Rules are not enough.Everyone must help to prevent pollution
问题：
Why was life hundreds of years ago much harder than it is today?
What has made our rivers drity?
What does smog look like?

Is taking a bus a good way to prevent pollution?

Answer 1

哇，你这是全部打出来的吗？不容易啊，可以拍照的啊

1.Because people didn't have modern machines and there wasn't any modern medicine.

2.Water pollution.

3.A quilt over a city.

4.Yes,it is.

Answer 2

1\People didn't have modern machines.There wasn't any modern medicine,either.
2\Water pollution
3\a quilt over a city
4\yes