[音频]
A. 2007
B. 2016
C. 2013
D. 2009
Passage TwoInventions and Technology from Ancient ChinaQuestions 19 to 21 are based on the passage you have just heard.[音频][音频]
A. The process for making silk.
B. The process for making paper.
C. How a compass worked.
D. How a kite worked.
[音频]
A. To draw maps.
B. To guide ships in the water.
C. To help when lost in the woods.
D. To plan cities.
[音频]
A. For communication in the army.
B. For children to play with.
C. To measure distances.
D. To test the wind.