题目内容：
1.The main purpose of the first paragraph in this passage is to _______. A.summarize the passage
B.introduce the topic of the passage
C.use examples to illustrate the first sentence of the paragraph
D.use examples to illustrate the last sentence of the paragraph
2.According to Paragraph 1,we must adjust our behavior because _______.
A.we should appear happy at weddings and sad at funerals
B.we should listen to our employers more than to our friends
C.our manners should be different in different places
D.our behavior should be acceptable to others around
3.Language as mentioned in Paragraph 2 is considered _______.
A.a kind of behavior
B.an act found in all situations
C.an adjustment everyone makes
D.situations
4.both spoken and written 4.According to Paragraph 2,speakers and writers differ mainly in _______.
A.the amount of time they spend on the communication
B.the number of times they stop while communicating
C.how they can make sure that they are not misunderstood
D.when they decide to begin the communication
5.According to Paragraph 3,speakers can use such tools as _______ to make their meaning clear.
A.intonation patterns and word order
B.stress patterns and word order
C.pauses and punctuation marks
D.pauses and shifts in stress patterns
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