对于实数x、y,若|x﹣1|≤1,|y﹣2|≤1,则|x﹣2y+1|的最大值为( ).
5
根据对话意思和所给首字母,写出完整正确的单词。
Dear Li Lei,
Thank you for your last letter. I’d like to tell you about a good 小题1: f __ of mine. His name is John. Next week, he will 小题2: v ___ China, but he knows nothing about the country. Can you 小题3: m ___ him at the airport?
Look, here is a picture of him. He is tall with short, black hair. He has two 小题4: b _ ___ eyes. On the day he arrives, he will wear a light blue shirt and white trousers. He doesn’t wear
小题5:g ____ .
Could you help me? Thank you very much.
军械装备管理工作的范围是什么?