参考答案：
1.C
文章讲述的第一个规律告诉我们： 语言的运用对于社会以及人们的人际交往是最重要的。
2.D
文章中讲述第三个规律的自然段中有这样一句话: the primary form of language is speech. 根据这句话，可以很容易地找出正确的答案。
3.D
在文章的最后一段中， 作者告诉我们：Change appears in all segments of a language. 即语言的所有部分都会发生变化。也就是说上：不是A，B，C，选项中所说的语言的变化只发生在书面措辞中，口头措辞中或词语的意思上，而是发生在所有的措辞中。
4.C
在讲第五个规律中，作者告诉我们：语言的地域性差异会被记录下来，当这种差异积累到一定的程度时，方言就诞生了。所以，作者引用了方言的出现来说明语言的地域化。
5.D
在第六个规律的自然段中有这样一句话：The divergences appear most in vocabulary, to a far lesser degree in grammar, least of all in sounds. 从这句话中，我们可以得出这样的结论：社会阶层的差别最大程度地体现在词汇中，而语法和发音等其他因素的程度较低。

     Nonverbal Communications 
     Although most of us believe that we communicate almost exclusively with words, research has shown that nonverbal communication is at least as important. Gestures and tone of voice are important cues in determining others’ responses to us. Individuals who are not aware of information conveyed nonverbally are at a social disadvantage. In fact, children who fail to “read” such messages tend to be unpopular and underachievers. Children who are overeager or speak loudly, for example, may offend other children, or adults. When they fail to adjust their behavior on the basis of others’ responses, they aggravate the situation. 
     Adults may offend their peers also by their inattention to nonverbal responses. The sense of personal space varies among individuals and cultures. The salesman who puts his arm around the shoulder of a prospective buyer should realize the possible consequences of his gesture. physical contact conveys sense of intimacy that the relationship may or may not warrant. Standing very close to someone during a face-to-face conversation may produce a negative reaction. In fact, you may observe the person back away. practice and traditions are more permissive in some cultures than in ours. In Latin American countries between conversationalists is smaller than it is in the United States. In most situations, however, regardless of power often take or receive more space. picture a chairperson at a board or committee meeting sitting at the head or commanding center of the table. Think of the teacher whose large desk is surrounded by more space than the students’ smaller desks. 
     Tone of voice also conveys messages and emotions. “Beautiful” may be used to describe bouquet of roses or a black eye, but the tone of voice will not be the same. “Thanks a lot” can be said with genuine gratitude or with sarcasm.
     Dog trainers report that dogs respond to tone of voice than to the particular words that are said. Dogs are often praised in a consistent tone of voice that may be slightly high-pitched and somewhat singsong. They will respond to this tone of voice with wagging tails even if the words don’t match.

6. The main point of the article is that____.
A. dogs and humans communicate the same way.
B. gestures and tone of voice convey a great deal of information.
C. our system of communication is changing rapidly.
D. only human beings are capable of verbal communication.

7. Nonverbal communication is important for____.
A. interpersonal relationships
B. dog trainings
C. foreign travel
D. communication between humans and other animals

8. According to the article, communication problems arise when____.
A. people send the wrong signals
B. individual miss nonverbal cues
C. culture clash
D. people use the same signal to mean differently

9. The issue of personal space is related to____.
A. religious values
B. shyness
C. power
D. privacy

10. The author includes the example about dogs to show that_____.
A. dogs are important too
B. nonverbal communication occurs in varied situations
C. tone of voice affects different ranges of hearing
D. dogs are more capable of nonverbal communication than other animals