For thousands of years， people farmed the land． They grew fruits and vegetables． They hunted and fished for meat． They（1） cloth， dyes（染料） and paper from plants． They used stone and metal for weapons and tools．
People progressed to making machines powered（2） water and steam（蒸汽）， and even later， by coal， oil， and petrol． Large cities were built． Factories（3） of machines created jobs in the cities for thousands of people． The Industrial Revolution（工业革命） changed the lives of many people because， for the first time， more people lived in cities than on（4） ．
Companies built power plants（工厂） to make（5） to run the machines， factories and cities．
People did not realize these activities were（6） the Earth． They didn't realize bow（7） oil，gas，coal and minerals were being used up．
（8） cities grew bigger and spread across the land，plants and animals began to disappear． Their nature homes were destroyed（破坏） as people moved into new places．
As time passed， people began to（9） the need to protect the Earth and its natural resources（资源）． They saw that plants and animals needed protection， so they wouldn't disappear forever． People joined together to tell（10） around the world to conserve（节约） our natural resources and care for the Earth． And so． Earth Day was born． Each year， more and more people take part in Earth Day． What can you do to help？
（1）A． separated |
B． washed |
C． made |
D． mixed |
（2）A． as |
B． for |
C． with |
D． by |
（3）A． full |
B． proud |
C． sick |
D． short |
（4）A． mountains |
B． rivers |
C． grasslands |
D． farms |
（5）A． metal |
B． water |
C． electricity |
D． oil |
（6）A． helping |
B． harming |
C． wasting |
D． losing |
（7）A． clearly |
B． hardly |
C． quickly |
D． slowly |
（8）A． Before |
B． If |
C． As |
D． Though |
（9）A． forget |
B． see |
C． remember |
D． get |
（10）A． them |
B． other |
C． another |
D． others |
He is always （care） about his schoolwork，so he keeps making the same mistakes．
Many （hero） have set good examples for us to follow．
I'd like to （share） your idea about pollution．
Don't （worry）．Time is enough for you to finish the examination paper．
Bullying（欺凌） has become a big problem in schools，which has caused serious attention of the society．To know what drives bullying will help to stop it．①There are many factors that make a child involve in bullying：②Parents are busy with their work，leaving their children alone with the grandparents． They don't get love or warmth from their parents．Children who are bullied are easier to bully others．Some children bully others to get respect from other kids．Teenage girls bully to win attention or love from someone．Movies，video games also play a role in a child's bullying action．
Parents，teachers，schools and society should ③work jointly to stop bullying．As students，you should respect others and not make fun of their weaknesses．If you are bullied，you have the right to tell your parents or teachers about it first and ask them for help．
（1）文中①处画线句子中有一个单纯的意思是"因素"，这个词是
（2）将文中②处画线句子翻译成汉语．
（3）文中③处"work jointly"means"work together"．Do you think so？
（4）Why do teenage girls bully others？
（5）What should students do to stoop bullying？
．