题目内容
团购是一种新型的购物方式，顾名思义就是指很多人一起购买同一产品，旨在加大与卖方的谈判能力以获得优惠的购买价格。随着中国电子商务的繁荣和发展，网络团购在中国网民中流行起来，已经成为团购的主要形式。它方便、快捷、价格低、不受地域限制。目前中国的很多网站都在尝试做团购，并迅速发展起来，如聚划算（Juhuasuan）、糯米团（Nuomituan）等。据了解，网络团购的主要群体是中国大中城市的年轻人。
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Most Americans find the idea of arranged marriages difficult to understand or accept. They believe that two people should marry for love, after a period of (1)_______ or courtship (求爱时期). During that period, the (2)_______ marriage partners are supposed to learn enough about each other to decide whether or not they will be able to (3)_______ a successful marriage. Today in America, it is common for people to live together as a way of (4)______for marriage. The idea of an arranged marriage seems very (5)_______ indeed.But (6)_______ all marriages arranged in one way or another? In the United States marriages are (7)_______ formally arranged, but quite a lot of informal arranging goes on before two people become husband and wife. People who (8)_________ are introduced to each other by friends. These friends have already decided that the two people are right for each other and arrange for them to meet. In the United States, this kind of arrangement is very common. Because friends have such great influence, (9)__________________________________________.Families also exert (施加) open and subtle pressures on their children to influence their choices of marriage partners. Parents often arrange dates for their own children. One parent often tells a friend about her beautiful daughter or handsome son. Also, parents can meet the perfect marriage prospect for their son or daughter through business relationships. Since parents often assist their children financially, they feel that they (10)______________________________ where they will live, what type of furniture they will purchase, and what their life-style will be like.
我国现行基本模数的数值()mm。
竖向扩大模数的基数是()。
以下哪种尺寸是分模数的数值。
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