问题
判断题
采购申请单通常有数联而以颜色区分，由采购部门留存的称采购申请单（请购单）。
答案
参考答案：对
搜题请搜索小程序“爱下问搜题”
采购申请单通常有数联而以颜色区分，由采购部门留存的称采购申请单（请购单）。
参考答案：对
Do you know? There is one language ____ in every country in the world. People, young or old, short or tall, thin or fat, use it very often. It is everybody’s second ____ . It is very easy to ___, though you can’t hear it. It is a sign language. When you wave(挥手) to a friend on the street, you are ____sign language. When you ___ up your hand in class, you are saying, “Please ask me, I think I know the answer,” or “I have some questions to ____.” When you smile at someone, you mean to be ____to him. When you put your forefinger(食指) in front of your mouth, you mean, “___ quiet, please.” When a policeman wants to ___cars or buses, he raises his right arm. Sign language is very useful in quiet places or places ___ of noise. It is different from body language.
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