题目内容

Watch the video clip "Urbanization and the future of cities"and answer the following questions.Which of these technologies developed because of the desire to trade with other cities?

A. Tractors
B. City walls
C. Roads
D. Aqueducts

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更多问题

Watch the video clip "Urbanization and the future of cities"and answer the following questions.Why did people first move into cities?

A. Jobs
B. Fun
C. Safety
D. More farmland

Watch the video clip "Urbanization and the future of cities"and answer the following questions.The global population is expected to peak at ___ billion.

A. 7
B. 6
C. 9
D. 10

绘制多边形命令，能绘制多边形的边从3到多少？

A. 5
B. 100
C. 200
D. 1024

阵列经典模式的调取命令是什么

ARRAY
B. ARRAYCLASSIC
C. ARRAYRECT
D. ARRAYPATH