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在窗体上利用菜单编辑器设计一个主菜单项“菜单控制”(Name属性值为mnuMenu)，然后为其设计两个子菜单项“增加菜单”(Name属性值为mnuAdd) 和“减少菜单”(Name属性值为mnuDel)，另外设置一个标题为空的菜单项 Dim Inxld As Integer Private Sub mnuAdd_Click() Dim mnuc As String mnuc=InputBox("input caption") InxId；InxId+1 【6】 mnuDyn(InxId) mnuDyn(Inxld) ，Calption=mnuc mauDyn(InxId) .Visible=True End Sub Private SubmnuDel_Click() Dim i As Integer If 【7】 Then MsgBox "菜单项已全部被删除" Else Unload mnuDyn(InxId) InxId=InxId-1 End If End Sub
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Paper is different from other waste produce because it comes from a sustainable resource: trees. (21) the minerals and oil used to make plastics and metals, trees are (22) . Paper is also biodegradable, so it does not pose as much threat to the environment when it is discarded. (23) 45 out of every 100 tonnes of wood fibre used to make paper in Australia comes from waste paper, the rest comes directly from virgin fibre from forests and plantations. By world standards this is a good (24) since the world-wide average is 33 percent waste paper. Governments have encouraged waste paper collection and (25) schemes and at the same time, the paper industry has responded by developing new recycling technologies that have (26) even greater utilization of used fibre. (27) , industry’s use of recycled fibres is expected to increase at twice the rate of virgin fibre over the coming years.Already, waste paper (28) 70% of paper used for packaging and advances in the technology (29) to remove ink from the paper have allowed a higher recycled (30) in newsprint and writing paper. To achieve the benefits of recycling, the community must also (31) . We need to accept a change in the quality of paper products; (32) stationery may be less white and (33) a rougher texture. There also needs to be (34) from the community for waste paper collection programs. Not only do we need to make the paper (35) to collectors but it also needs to be separated into different types and sorted from contaminants such as staples, paperclips, string and other miscellaneous (36) .There are technical (37) to the amount of paper which can be recycled and some paper products cannot be collected for reuse. These include paper (38) books and permanent records, photographic paper and paper which is badly contaminated. The four most common (39) of paper for recycling are factories and retail stores which gather large amounts of packaging material (40) goods are delivered, also offices which have unwanted business documents and computer output, paper converters and printers and lastly households which discard newspapers and packaging material. The paper manufacturer pays a price for the paper and may also incur the collection cost. 28（）
Paper is different from other waste produce because it comes from a sustainable resource: trees. (21) the minerals and oil used to make plastics and metals, trees are (22) . Paper is also biodegradable, so it does not pose as much threat to the environment when it is discarded. (23) 45 out of every 100 tonnes of wood fibre used to make paper in Australia comes from waste paper, the rest comes directly from virgin fibre from forests and plantations. By world standards this is a good (24) since the world-wide average is 33 percent waste paper. Governments have encouraged waste paper collection and (25) schemes and at the same time, the paper industry has responded by developing new recycling technologies that have (26) even greater utilization of used fibre. (27) , industry’s use of recycled fibres is expected to increase at twice the rate of virgin fibre over the coming years.Already, waste paper (28) 70% of paper used for packaging and advances in the technology (29) to remove ink from the paper have allowed a higher recycled (30) in newsprint and writing paper. To achieve the benefits of recycling, the community must also (31) . We need to accept a change in the quality of paper products; (32) stationery may be less white and (33) a rougher texture. There also needs to be (34) from the community for waste paper collection programs. Not only do we need to make the paper (35) to collectors but it also needs to be separated into different types and sorted from contaminants such as staples, paperclips, string and other miscellaneous (36) .There are technical (37) to the amount of paper which can be recycled and some paper products cannot be collected for reuse. These include paper (38) books and permanent records, photographic paper and paper which is badly contaminated. The four most common (39) of paper for recycling are factories and retail stores which gather large amounts of packaging material (40) goods are delivered, also offices which have unwanted business documents and computer output, paper converters and printers and lastly households which discard newspapers and packaging material. The paper manufacturer pays a price for the paper and may also incur the collection cost. 39（）
Paper is different from other waste produce because it comes from a sustainable resource: trees. (21) the minerals and oil used to make plastics and metals, trees are (22) . Paper is also biodegradable, so it does not pose as much threat to the environment when it is discarded. (23) 45 out of every 100 tonnes of wood fibre used to make paper in Australia comes from waste paper, the rest comes directly from virgin fibre from forests and plantations. By world standards this is a good (24) since the world-wide average is 33 percent waste paper. Governments have encouraged waste paper collection and (25) schemes and at the same time, the paper industry has responded by developing new recycling technologies that have (26) even greater utilization of used fibre. (27) , industry’s use of recycled fibres is expected to increase at twice the rate of virgin fibre over the coming years.Already, waste paper (28) 70% of paper used for packaging and advances in the technology (29) to remove ink from the paper have allowed a higher recycled (30) in newsprint and writing paper. To achieve the benefits of recycling, the community must also (31) . We need to accept a change in the quality of paper products; (32) stationery may be less white and (33) a rougher texture. There also needs to be (34) from the community for waste paper collection programs. Not only do we need to make the paper (35) to collectors but it also needs to be separated into different types and sorted from contaminants such as staples, paperclips, string and other miscellaneous (36) .There are technical (37) to the amount of paper which can be recycled and some paper products cannot be collected for reuse. These include paper (38) books and permanent records, photographic paper and paper which is badly contaminated. The four most common (39) of paper for recycling are factories and retail stores which gather large amounts of packaging material (40) goods are delivered, also offices which have unwanted business documents and computer output, paper converters and printers and lastly households which discard newspapers and packaging material. The paper manufacturer pays a price for the paper and may also incur the collection cost. 34（）
Settlers of the Plains also had to contend with social isolation. The European pattern, whereby farmers lived together in a village and traveled each day to their nearby fields, was rare in the American West. Instead, various peculiarities of land division compelled the rural dwellers to live apart from each other. The Homestead Act of 1862 and other measures adopted to facilitate western settlement offered free or cheap plots to people who would live on and improve their property. Because most homesteads and other plots acquired by small farmers were rectangular--usually encompassing 160 acres—at most four families could live near each other, but only if they congregated around the same four-corner boundary intersection. In practice, farmers usually lived back from their boundary lines, and at least a half-mile separated farmhouses. Often adjacent land was unoccupied, making neighbors even more distant. Many observers wrote about the loneliness and monotony of life on the Plains. Men escaped the oppressiveness by working outdoors and taking occasional trips to sell crops or buy supplies. But women were more isolated, confined by domestic chores to the household, where, as one writer remarked, they were "not much better than slaves. It is a weary, monotonous round of cooking and washing and mending and as a result the insane asylum is 1/3 filled with wives of farmers.\
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