开机前，必须知道机器人根据所编程序将要执行的全部任务
查看答案
机器人周围额区域必须清洁，无油，水和杂质。
A. 对
B. 错
People eat dumplings on the Chinese New Year______________________.
A. since dumpling is a traditional sweet food.
B. since dumpling has different flavours food.
C. wishing they will earn more money in the coming year.
D. since dumpling is a natural food.
烤鸭的英语翻译为____？
A. duck roast
B. duck goose
C. roast goose
D. roast duck
冰糖葫芦的英语翻译为_______？
A. ice-cream sugars
B. sugar -coated haws
C. haws sugar -coated
D. sweet ice-sugars
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