Su Hua is studying at Cambridge, UK. She has bought a bicycle and is worried about securit

Su Hua is studying at Cambridge, UK. She has bought a bicycle and is worried about security（安全）. Her friend, Kate, found this article and sent it to her.
Introduction
A lot of crime is against bicycles. About 150,000 bicycles are stolen every year and most are never found. You can prevent this happening by following a few careful steps.
Basic Security
Do not leave your bicycle in out-of-the-way places. Always lock your bicycle when you leave. Secure it to lampposts or trees. Take off smaller parts and take them with you, for example lights and saddles（车座）.
Locks
Get a good lock. There are many different types in the shops. Buy one that has been tested against attack. Ask for a recommendation from a bike shop.
Marking
Security marking your bike can act as a deterrent to a thief. It can also help the police find your bicycle. It should be clearly written and include your postcode and your house or flat number. This will provide a simple way to identify your bicycle.
Registration
There are a number of companies who will security mark your bicycle for you. They will then put your registration number and personal details on their computer database. Then if your bicycle is found it will be easy to contact you.
Finally
Keep a record of the bicycle yourself: its make, model and registration number. You can even take a photograph of it This will prove the bicycle belongs to you.
【小题1】Which part of the text gives you information on how to lock up your bicycle when you leave it?A．Locks.B．Marking.C．Registration.D．Basic Security.【小题2】The underlined phrase “act as a deterrent to a thief” means .A．help you recognize your bikeB．help the police find your bicycleC．stop someone stealing your bicycleD．stop you worrying about your bike【小题3】The article advises you to keep a record of your bicycle .A．in the bike shop and your computerB．in a police station and a security companyC．in a security company and your universityD．by yourself and in a security company【小题4】The main purpose of this article is .A．to tell you what to do if your bicycle is stolenB．to suggest ways of keeping your bicycle safeC．to give you advice on where to buy a good lockD．to say why you shouldn’t keep your bicycle in a quiet placeD

(答案→)D 解析：文章讲述了如何保证自行车的安全的几种方法。【小题1】细节题。根据Basic Security部分的内容可知。【小题2】猜测词义题。根据下文的It can also help the police find your bicycle.可知它既是一种阻止小偷偷车的方法，也是帮助警察找到自行车的方法。【小题3】推理题。由Registration部分There are a number of companies who will security mark your bicycle for you.以及自己把车锁好。可知D正确。【小题4】主旨大意题。由上下文可知文章是关于保障自行车安全的文章。

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