题目

如图所示是固定在卫生间瓷砖墙面上的吹风机挂架，小明发现不用时既占用空间，又妨碍进出。他想设计挂架与墙面的连接件，不用时能把挂架向上翻转靠墙。挂架的两安装孔间距为60mm，两孔直径为6mm。请你帮助小明设计该连接件，设计要求如下： A.连接件能安装在原墙面孔中，连接牢固可靠； B.安装后，在挂架放置吹风机时能处于水平状态，不用时能向上翻转靠墙； C.不能在挂架上做任何加工； D.主要材料采用3mm厚的钢板，辅助材料自选。 请Mr. Jackson was tired of living in his old house in the countryside and wanted to sell it and buy a better one. He tried to sell it for a long time, but was not successful, so at last he decided to go to an estate agent.The agent advertised (登广告) the house straight away, and a few days later, the owner saw a very beautiful photograph of his house, with a wonderful description of his garden in an expensive magazine.Having read the advertisement through, the house owner hurried to phone the estate agent, saying, “I’m sorry, Mr. Jones, but I’ve decided not to sell my house after all.” “Why?” the agent asked in a surprised voice. “Because from the advertisement in that magazine I can see it’s just the kind of house I’ve wanted to live in all my life.”1.Mr. Jackson wanted to sell his house because .A. he needed some money to support his familyB. his house was too old to live inC. he wanted some money to buy a new oneD. he didn’t want to live in the house any longer2.The reason why Mr. Jackson went to the estate agent was .A. he had failed in selling his house by himselfB. he wanted the estate agent to help him to get a good priceC. he was sure that the estate agent could help himD. he wanted the estate to advertise his house in the magazine3.At last Mr. Jones .A. was successful in selling the houseB. felt sorry to have lost a sale by his doing too good a jobC. was satisfied with what he had done in the advertisementD. didn’t understand why Mr. Jackson had changed his mind