题目

实验现象描述中正确的是(   )A．磷在空气中燃烧产生大量的白雾    B．硫在氧气中燃烧产生浅蓝色火焰C．硫酸铜溶液中滴入氢氧化钠溶液，产生蓝色沉淀D．在滴有酚酞试液的氢氧化钠溶液中逐滴加入稀盐酸，可观察溶液由无色变红色  答案：C解析:略 Neighbours play an important role in our lives. Their lifestyles, friends, and social habits can have a strong influence on our lives. It is a good idea to get to know the people next door or across the street to develop a community (社区) of support and safety. You never know when a neighbour will find a stranger walking around your house, or you may want to leave an extra key at their house in case someone in your family gets locked out.How do you get along with your neighbours? Here are some tips for building a better relationship with your neighbours.Point ①…Proper greetings can make your neighbours remember your name and pave (铺) the way for more meaningful future meetings. Don’t stay too long, though, or you’ll wear out your welcome!Point②…If your neighbour is building a pool, offer a few hours of help. Besides, you never know when the favor might be returned.Point③…If you hear that someone who live close to you has had an accident, take over a hot meal or some fruit. Your action will add a special touch during a difficult time.Point④…Invite your neighbours over for a cup of coffee in December or an Easter egg hunt in spring. A backyard barbecue (烧烤) can be a great way to share food and fun.Your neighbours may annoy you at times, but they are like family in many ways. Appreciate their strengths and overlook their weaknesses, and everyone will get along just fine1.What is Paragraph 1 mainly about?A.The possibility of a good communityB.How to get to know your neighboursC.How to influence your neighboursD.The importance of neighbours2.According to the passage, which of the following may NOT be something nice to do?A.Offering to help your neighbours if they need helpB.Having a very long conversation with a new neighbourC.Inviting your neighbours over for a backyard barbecueD.Preparing a hot meal for a neighbour who is going through a difficult time3.Match the following titles with each point. a. Invite your neighbours over.          b. Lend a helping hand. c. Go over and introduce yourself.       d. Offer supportA.①-c②-b③-d④-aB.①-c②-b③-a④-dC.①-b②-c③-d④-aD.①-b②-c③-a④-d4.We infer(推断出) that the writer wrote this passage to______.A.explain why it is good to get along well with othersB.give us some tips on how to support our neighboursC.tell us how to get along with our neighoursD.advise us to be nice to our neighbours