六、自然与环境类
Have you ever heard of e-waste（电子垃圾）？How do you deal with your MP4 players，mobile phones and your computers when they're broken or you want a new one？
Most people just throw them away. With the 1 of electronic industry, e-waste pollution has become a serious problem. According to the UN, in 2014, people around the world produced 41.8 million tons of e-waste and only 2 less than 20%of it. The USA has 3 waster in the world, producing 7.1 million tons. China came second, 4 6 million tons.
It's important to pay attention to
e-waste. It can be 5 valuable or harmful，depending on what we do with it. E-waste is a valuable urban mine（城市矿藏）. The value of the metals，like gold and silver is 6. And the metals can be reused，but if people throw them away ，the toxic（有毒的）chemicals can 7 the earth or air，they will affect the environment and people's health.
Now, Apple recycles people's used products in China when they're buying new 8. The company will test and repair them and then sell them at lower prices. 9 e-waste, we can buy longer lasting electronic products. If you don't want your electronics, find a new home for them. You can also take them to see 10 companies can offer recycling programs.
（ ）1．A. developing
B. developed
C. development
（ ）2．A. recycled
B. rebuilt
C. researched
（ ）3．A. big
B. bigger
C. the biggest
（ ）4．A. during
B. with
C. between
（ ）5．A. both
B. either
C. neither
（ ）6．A. amazing
B. disappointing
C. boring
（ ）7．A. get up
B. get into
C. get on
（ ）8．A. them
B. those
C. ones
（ ）9．A. To increase
B. To reduce
C. To keep
（ ）10．A. that
B. where
C. whether
本文是一篇自然与环境类说明文。随着科技的发展，电子产品更新换代的速度越来越快，同时也产生了很多电子垃圾，造成了严重的污染。文章介绍了电子垃圾回收的重要性及苹果公司对产品回收再利用的举措。
1．C 分析句子成分可知，此处缺少名词。with the development of. . .是“随着……的发展”的意思。
2．A 根据上下文语境，可知仅有不到20%的垃圾被回收利用，故答案为A。
3．C 根据后句中的“in the world”及句意，可知此处表示美国是最大的垃圾制造者，故答案为C。
4．B 分析句意可知，中国有600万吨垃圾。with引导伴随状语。
5．B 根据句意和后面的or，可知表示选择。either. . . or. . . “或者……或者……”。
6．A 分析句意并联系常识可知，金银的价值是比较高的，“令人惊讶的”最符合语境，故答案为A。
7．B 根据句意可知，有毒物质会进入土壤或空气中，故答案为B。
8．C 此处为避免重复，用ones代替句中的products，故答案为C。
9．B 根据句意和常识可知，买使用期长的产品可减少电子垃圾，故答案为B。
10．C 根据语境可知，此处表示可以带着产品去看是否公司有回收的项目，故答案为C。
自然环境与我们每个人的生活都息息相关。保护环境，使人与自然和谐发展，才能让我们的生活更加美好。我们在做此类题目时，首先要通读全文，弄清大意，抓住主旨。在理解短文义思的基础上判定选择，切勿仓促下笔。其次要结合所给备选项细读全文，联系上下文内容，从语法结构、固定搭配的角度筛选答案。最后要通读全文，逐空验证，弥补疏漏。