题目内容

The word signaled in paragraph 4 is closest in meaning to

A. followed
B. announced
C. concluded
D. delayed

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The distribution pattern of individuals within a population's geographical boundaries is known as

A. population ecology
B. population density
C. population change
D. population dispersion

Why does the author compare books with radio technology in paragraph 5?

A. To describe the influence of handwritten books on radio
B. To explain how both changed patterns of information flow
C. To show that both were initially confined to a few users
D. To complain about the social restrictions imposed on radio

The word those in paragraph 6 refers to

A. walls
B. roofs
C. huts
D. features

According to the passage, children between the ages of five and seven typically experience

A. development of rational thinking
B. an interest in morality and rules
C. important changes in the brain
D. an increase in the physical growth rate

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