题目内容

According to the old legend, Emperor Huangdi invented sericulture, silk reeling and weaving.

A. 对
B. 错

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It was during the first century AD that Zhang Qian opened up the “Silk Road”.

A. 对
B. 错

Jiangsu, especially Suzhou is one of the four districts that produce best embroidery.

A. 对
B. 错

Dragon and phoenix are common images in Guangdong Embroidery.

A. 对
B. 错

单体蓄电池的电压值为

A. 1.5v
B. 2v
C. 6v
D. 12v