大学英语六级改革适用（阅读）模拟试卷375
词汇理解
When you think about the growth of human population over the last century or so, it is all too easy to imagine it merely as an increase in the number of humans. But as we【C1】______so do all the things associated with us, including our livestock. At present, there are about 1.5 billion【C2】______and domestic buffalo and about 1.7 billion sheep and goats. With pigs and poultry, they form a【C3】______part of our enormous biological footprint upon this planet.
Just how enormous was not really【C4】______until the publication of a new report, called \\
1.【C1】
F
解析：as从句缺少谓语，此处应填入动词。空格前面说到人口的增长，后面提到牲畜的数目，由此推断填入空格处的动词应与前面出现的increase意思相近，因此选multiply。
2.【C2】
G
解析：and提示此处应是与buffalo并列的名词。结合上文和空格后罗列的动物可知，空格处的名词属于某种livestock(牲畜)，名词词库中的cattle最适合。
3.【C3】
J
解析：空格处应为名词、形容词或分词作part的定语。本句表明牲畜是地球物种的组成部分，critical“关键的”符合句意。
4.【C4】
E
解析：空格前的really提示此处应填入形容词或分词。根据后面的“直到新报告发布”可知，在报告发布前，牲畜的数量庞大到何种程度还是未知的，因此选apparent。
5.【C5】
A
解析：more…than…表示的比较关系提示空格处应为动词，且意思应与consume相对，因此yield为本题答案。
6.【C6】
O
解析：此处应为副词。rain forests将biologically sensitive land“生态敏感地区”的范围进一步缩小，更加具体指出热带雨林受到的影响“尤其”严重，especially符合句意。
7.【C7】
N
解析：more和and提示此处应填入与striking并列的形容词，而且语义应比striking更进一步。本段讲的是畜牧业造成了全球变暖，在形容词词库中，alarming最符合句意。
8.【C8】
B
解析：空格前的所有格提示此处应填入名词。根据本句内容：畜牧业对全球变暖造成的影响高过运输业。词库中的contribution“作用，影响”符合句意。
9.【C9】
H
解析：此处应为名词，且可与介词for搭配。词库中可与介词for搭配的名词为passion，passion for meat意为“对肉类的爱好”，正好说明本段的观点：想解决全球变暖的问题，不能简单地靠少养牲畜或少吃肉。
10.【C10】
L
解析：此处应填入定语成分修饰directions。这里是讲解决全球变暖，应该将畜牧业推向什么方向发展。可见，空格处应填入含有积极含义的词，sustainable符合句意，sustainable directions意为“可持续发展的方向”。
People can now avoid having to sort through albums from several different friends when trying to relive parties, weddings and other shared events. It\’s the latest innovation in the increasingly【C1】______photo-sharing market that has Facebook, Google, Yahoo and others all【C2】______for photo uploads.
The Facebook user who makes a Shared Album Feature can add up to 50 contributors, who in【C3】______can add up to 200 photos each. Previously created albums can be turned into shared albums as well.
The creator sets the【C4】______settings for the entire album, which can be contributors only, friends of contributors only or public. When people are tagged in photos, the audience【C5】______expands to friends of the person tagged. Each contributor is【C6】______when new photos are added. The album creator may delete any contributor\’s photos, so it may be a good idea to preserve a backup【C7】______
Contributors can upload photos or【C8】______an existing album into the shared one. They may also add other contributors and edit their own photos. A contributor who\’s kicked out or【C9】______an album has to go to their Activity Log to delete the photos in the album.
Mobile users can upload photos to a shared album. However, a shared album can\’t be created from a mobile device yet. Facebook programmers started designing the feature and put a working version together in a matter of hours. But the【C10】______of the feature more than eight months later shows the effort Facebook must now go th
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