题目

有A、B、C、D四个中等城市，它们水源、能源充足，交通便利。它们相对地理位置如下图：                     各城市各有其特点：A城是风光秀丽、人口稠密、土地供应紧张的旅游城市，环保要求高，近郊有丰富的FeS2资源。B城是一个新兴的工业城，已建有大型磷肥厂，土地供应充足。C城近郊有丰富的磷灰石资源，工业发达，但使用H2SO4的工业不多，土地供应充足。D城是一个古老的城市，它的周围是重要的农业区，是大量肥料的集散地。现拟短文改错It is interesting to visit foreign country,but there1.________are some problems if we know the language very well.2.________It may be difficulty to talk with the people there.3.________We may don't know how to use the telephone there.4.________We may not know how to buy things we needs.5.________In a strange country,we may not know where to be eat or what to order in a restaurant.6.________When we need help,we may not know how to ask help.7.________It was not a happy thing to have an experience like that.8.________