2. 外语
  3. Most of animals communicate with one another to a greater or lesser de- 【M1】______ gree, and the more social a species, the more

Most of animals communicate with one another to a greater or lesser de- 【M1】______ gree, and the more social a species, the more

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问题     Most of animals communicate with one another to a greater or lesser de- 【M1】______
gree, and the more social a species, the more communicative it intends to be. 【M2】______
Communication comes in many forms—it may be acoustic, visual, chemical
or tactile and, depending upon the message and the medium, different types
of communication may be more or less effective and/ or efficient. A species
may excel at one type of communication and therefore be almost ""blind"" in 【M3】______
another. For example, humans use a very advanced form of acoustic com
munication, language, and yet our olfactory communication is extremely
poor compared to most other mammals.
    While there aren’t any species that can compete for human language in 【M4】______
terms of their richness and complexity, some species have relatively large 【M5】______
vocal repertoires and extended communication networks. Elephants are one 【M6】______
such species. Elephants also communicate with one another using intricate
chemical and tactile signals and visual displays. If we have to rank these 【M7】______
different systems in order of importance to elephants we would put acous
tic and chemical communication together as most important, followed by
visual and tactile communication. But we are not elephants! So, why have
elephants evolved such large vocal repertoire and such an extensive commu- 【M8】______
nication network? One answer is that elephants have a very complex social
system and, therefore, they have needed to develop a complex suite of vo
calizations to interact in an appropriate way to the many different individu- 【M9】______
als they meet on a daily basis and to mediate many complex relationships 【M10】______
that they maintain.
【M2】
选项
答案intends — tends
解析 第一句话的后半句如果按照字面解释，是“一个物种越是具有群居性，它就越是打算具有交际性”。对于一个物种来说，它怎么可能“计划或打算”具有交际性呢?其实这句话是在描述一种可能会发生的倾向，所以是动词tend的误用。intend和tend的误用是由于形似造成的。
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