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(卷5)1.根据给出的产品说明文件,结合给定电子元器件,制定产品装配工艺卡片,并填写下表。 描述 装配工艺过程卡片 工序名称 产品图号 插件、贴片 序号 (位号) 装入件及辅助材料 代号、名称、规格 数量 工艺要求 工装名称 代号、名称 规 格 镊子、剪刀、电烙铁等常用装接工具 1 R1 0805-4.7kΩ±5% 1 贴板安装、焊接 2 R14 RJ-0.25W-1kΩ±1% 1 贴板安装、焊接 3 IC SO-14 1 贴板安装、焊接 4 VD3 1N4148 1 注意焊接时元件的高度 5 VT1 9013 1 注意焊接时元件的高度 以上各元器件插装顺序是 (请填代号、名称) : ( )、( )、( )、( )、( )
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【简答题】阅读理解 It may sound strange, but cutting down a real tree for Christmas is actually greener than going with the artificial kind, one scientist says. 'It is a little confusing to people,' said Clint Spri...
【简答题】The passage is mainly about ______on cutting down on it.
【单选题】听力原文：(A) A man is climbing a tree. (B) Cars are stuck in traffic. (C) He is cutting down the tree. (D) A man is crossing the street.
A.
B.
C.
【简答题】A．Conducting surgery on the tree. B．Catching a fruit bat up a tree. C．Cutting trees on an island. D．Climbing a skyscr.
【单选题】After cutting down the tree, they _____ a little boat out of it．
A.
went on to make
B.
went on making
C.
went on with
D.
continued
【简答题】A.Cutting down a dead tree. B.Planting new trees on campus. C.Identifying unusual trees. D.Landscaping their yard.
【单选题】It's our duty to _____ people _____ too many tree. [ ]
A.
stop; cutting down
B.
prevent; to cut
C.
keep; cutting down
D.
make; cut down
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