时下，很多学生带手机上学。为此，某英语报在你校组织了一场讨论。讨论的主题：中学生是否有必要带手机去学校。下表提供的信息供参考，给报社写一封信，介绍讨论情况并发表自己的意见。

注意：　　

1．信的开头已为你写好。

2．词数：120左右。

3．参考词汇：攀比：vie with…　 校园内：on the campus　　　　

方便： convenient　　　　　　　 自控：control oneself.

Dear editor:

I’m writing to tell you about the discussion

……

……

Yours truly，　 　　　　　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

(Ⅰ)•••We should produce more things from　 86　 materials,and less from materials taken　 87　 from the environment.What we need is more　 88　 laws to

　 89　 the environment,which still allow the economy to grow.This includes more 90　 to control how many trees are cut down and how many fish boats can catch. •••

(Ⅱ)•••Although he researches cloning,his　 91　 　has never been to 　92　 copies of humans.Instead,he thinks research efforts should　 93　 on creating new 　94　 and organs that could 　95　 be used to cure diseases like cancer. •••

85. The company was e　 ▲　 in 1860.

84. Nature has provided Shangri-la with endless natural r　 ▲　 .

83. You can’t fully　 ▲　 (欣赏) foreign literature in translation.

82. The schoolboys are more c　 ▲　 not to make any mistakes in spelling than ever before.

81. We live in an　 ▲　 (气氛) of freedom.

80. Friendship is always a sweet　 ▲　 (责任), never an opportunity.