According to Paragraph 3, people are able to communicate ideas long distances because ______.
A. they can write and read
B. they can build cities and record thoughts
C. their population tends to increase
D. they have special abilities
查看答案
A．High altitude.B．The cold weather.C．High latitude.D．The food.
A. High altitude.
B. The cold weather.
C. High latitude.
D. The food.
According to Paragraph 1, which of the following is NOT true of the Canyons formation？
A. Water erosion.
B. Severe earthquake.
C. The Colorado River.
D. Continental drift.
听力原文：W: Im going to leave work early today. Theres a debate this evening at 6 oclock.
A. He is too busy.
B. He is not old enough.
C. He doesn"t have transportation.
D. He feels it doesn"t make a difference.
From this lecture, what can be inferred about the relationship between nurture and language acquisition？
A. Preschoolers" interaction with adults has no effect on their communication skills.
B. Toddlers are unable to communicate because they haven"t learned the rules of grammar yet.
C. Babies should be exposed to situations where language is modeled so that they can learn to use it.
D. Children who imitate sounds or words are not really communicating meanin
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