题目

下图是部分短周期元素原子半径与原子序数关系图，下列说法正确的是 A．X与M形成的一个阴离子中含有29个电子 B．气态氢化物沸点：Y > R C．由X与N两种元素组成的化合物不能与任何酸反应，但能与强碱反应 D．Z单质不能从M与R元素构成的盐溶液中置换出单质M 答案：B在短文的空格内填入适当的词，填其内容通顺，每空格限填一词，首字母已给。     A survey has been published which shows that British people don't like their neighbours very much. 80%of the people who took part in the survey feel that their neighbours 1. h_______  pay attention to others' feelings. 25% don't talk to the people who live next door and 10% don't even know their names. In fact, onemillion people in Britain would like to 2. m_______ because they don't get along well with their neighbours.      According to the survey, the 3. b_______ problem is noise. Many of the complaints about noise came from people who live in flats and old houses. These places often have thin walks which can't 4. s_______ the noise from next door.      The other main problems are disagreements (不和) about car parking spaces, and old people complainingabout the young. Some disagreements last 5. a _______ time. In one case, people who live in the same building haven't talked to each other for fifteen years. Sometimes the disagreements end in violence.In one of the worstcases, a mam killed a neighbour because he kept parking in  "his space".      Another survey shows that 90% of the neighbours never share a meal, 80% have never had a drink 6. t_______ and 20% have never even spoken. However, when neighbours become each other's 7. f_______, they are often ready to offer help, as we can see in many parts of the world.      One solution to such problems is to talk about them with a professional organization and, if necessary, to sign a written agreement. Now people can get this service in more and more towns. 1._______ 2.________ 3.________ 4.________ 5.________ 6.________ 7.________