According to the passage, the highest amount of pheromone vapor is found（）
A. in the receptors of the ants
B. just above the trail
C. in the source of food
D. under the soil along the trail
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According to the passage, what responsibility does the audience of a verbal art performance have（）
A. They provide financial support for performances
B. They judge the quality of the content and presentation
C. They participate in the performance by chanting responses
D. They determine the length of the performance by requesting a continuation
What is tile main point of the second paragraph（）
A. Public performance is essential to verbal art
B. Oral narratives are a valid form of literature
C. Native Americans have a strong oral tradition in art
D. The production of literature provides employment for many artists
The word "intermittently" in live 4 is closest in meaning to（）
A. periodically
B. incorrectly
C. rapidly
D. roughly
According to the passage, why did the first people who came to North America leave their homeland（）
A. They were hoping to find a better climate
B. They were seeking freedom
C. They were following instructions given in a dream
D. They were looking for food
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