题目

短文填空 用方框中所给单词的适当形式填空，使短文完整正确(每个单词限用一次)。 give    while    past    way    ask  happy    hello    trouble    something    lose Last Saturday, I went out to see a film after supper. On my (1)to the cinema, I met an Englishman. He looked puzzled (茫然的). So I walked up to him and said (2) to him. His first name was Kevin. I (3)what I could do for him. He told me he had (4) his way. So I (5) up the opportunity to see the film and took Kevin to his hotel. (6) going there, I told him about the许多化学研究成果的推广使用，极大地提高了我们的生活水平．现在请你从吃、穿、住三个方面各举一个与化学有关的例子．吃：农药与化肥的生产和合理使用，提高了粮食产量，解决了吃饭问题农药与化肥的生产和合理使用，提高了粮食产量，解决了吃饭问题； 穿：化学纤维的发展，人们穿上漂亮的衣服化学纤维的发展，人们穿上漂亮的衣服；住：钢铁、水泥等建筑材料的使用，建了许多高楼大厦钢铁、水泥等建筑材料的使用，建了许多高楼大厦．