大学英语四级（2013年12月考试改革适用）模拟试卷381
作文
1. For this part, you are allowed 30 minutes to write a short essay. You should start your essay with a brief description of the picture and then express your views on the significance of waste sorting. You should write at least 120 words but no more than 180 words. Write your essay on Answer Sheet 1.
As we can see from the drawing, a little boy is dropping a bottle into the dustbin specifically for recyclable materials while his mother is throwing the trash into the other collection bin. The child and the mother are doing what the Chinese government calls on the general public to do in recent years—waste sorting.
Waste sorting is very significant today when the volume of waste is growing all the time while there is less and less land available to deposit rubbish. For one thing, it consider-ably reduces the total amount of rubbish to be landfilled or burned, thus causing less pollution to the environment. For another, waste sorting makes it possible for the recyclable materials, such as paper, to be reused, thus saving natural re-sources.
In short, sorting waste is a meaningful deed. If everyone does it, small things will make a big positive impact on the environment.
解析：
词汇理解
A paper, Anatomy (剖析) of a Large Scale Social Search Engine, laying out a strategy for social search has been getting a good deal of attention in tech circles. It was written by Damon Horowitz and Sepandar Kamvar of Aardvark, one of several companies【C1】________ on creating social search engines.
Social search【C2】________to connect people with questions to people who can answer those questions. By contrast, regular Web searches take questions, break them into keywords, and then find Web sites that have the most【C3】________to these keywords. The idea has been floating around tech circles for years. Yahoo, among others, has tried to develop social search as a way to【C4】________ Google.
The idea has gained impulse with the increased use of Twitter and Facebook, where people【C5】________on their networks for information, blasting questions to their social networks and, getting useful, personalized【C6】________Aardvark and its competitors are trying to create better tools for people with questions to connect to people with answers. Some people think social search has the potential to go beyond Google and 【C7】________ change the way people use the Internet.
From a technical standpoint, Aardvark\’s task is easier than Google\’s. But there are also some【C8】________shortcomings to Aardvark\’s approach. Getting answers through social search requires someone else to do something, so it cannot produce the【C9】________ satisfaction that comes from typing something into a Web search box and watching a page of results appear. For Aardvark to be successful, it needs to enlist the participation of【C10】________ answerers.
A) working E) fundamentally I) competent M) relation
B) researches F) specializing J) significant N) challenge
C) aims G) constant K) relevance O) rely
D) responses H) primarily L) instant
2.【C1】
A
解析：此处应为动词的分词形式，与on后的内容一起修饰companies。动词词库中只有working和specializi
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