When did Deng Xiaoping initiated the reform and opening-up policy?
A. 1977
B. 1978
C. 1979
D. 1980
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( ) From right to left, the second comma is thousand.
A. 对
B. 错
( ) 514,003,120 is pronounced as “five hundred and fourteen million, and three thousand, and one hundred and twenty.
A. 对
B. 错
( ) “Ancient” describes a place that has a rich and long history.
A. 对
B. 错
( ) Once you have determined your topic, you have to create your own web with at least 3 supporting details.
A. 对
B. 错