purchase from a reliable source though, since even rag paper and card can contain undesirable additives.
A reliable source for quality rag papers is a recognized art stockiest. Many water color artists insist on using only fine quality rag paper and board.
The main lesson to learn from this information is that you cannot rely on purchasing archival materials from the high street. The only safe solution is to purchase from specialist suppliers. It may cost rather more, but in the end you will know that your important and valuable data and images have the best home possible.
注意:此部分试题请在答题卡1上作答;8-10题在答题卡1上。
1. The corn-flake packet is cheaper than __
high grade card
middle grade card
low grade card
any grade card
2. There are a lot of materials which can be used for making paper, but the superiority ones are __
woods, cottons and grasses
soft wood and cotton
soft wood, cotton and rags
【最新大学英语六级快速阅读精选:纸的复杂性】相关文章:
最新
2016-10-18
2016-10-11
2016-10-11
2016-10-08
2016-09-30
2016-09-30