13．The benefits of giving your dogs bones
Giving your dogs bones is highly recommended．（36）A．You can give them to order dogs to help remove plaque（牙菌斑）．For whatever reason you choose，you will promote your dog's overall health and stimulate its senses．
Does chewing have dental benefits？
Bones actually can stimulate dogs'teeth and help dogs deal with the pain of teething．If you have a dog，you may be wondering why it is destroying all the furniture in your house．Just like a human baby，dogs experience teething and it's often frustrating and painful．Chewing objects can ease the pain．（37）G．
What types of bones are beneficial？
Certain bones are known to cause internal problems and should never be given to your dogs．Avoid poultry（家禽） bones because they have a tendency to get stuck in a dog's digestive tract（消化道）．（38）B．Raw bones are widely debated．Many owners insist that it is perfectly safe to give dogs raw bones while experts suggest that these bones are not healthy due to the collagen（胶原蛋白） in the bones．Dogs cannot digest collagen．
Does the size of the bone matter？
Size certainly matters when it comes to dog bones．The size of the bone is widely dependent on the size of your dog．（39）F．Pet stores have a large offering of bones．（40）C．
Bones are also great to help dogs to get rid of being bored．They can keep your dog busy for hours，which is especially useful if you're someone who isn't home for hours at a time．You can also save your furniture by providing your dog with a flavored rawhide（生皮）．
A．You can give them to dogs to control the desire to chew．
B．They can even cause life-threatening issues．
C．What other benefits are there？
D．Should you also consider purchasing dog toys？
E．So do not forget to give your dog what it needs．
F．Small dogs require small bones and large dogs require large bones．
G．To protect your furniture and shoes，give your dog a bone．
分析 本文属于说明文阅读，作者通过这篇文章向我们介绍了狗骨头对狗的重要性，以及给狗吃狗骨头的好处．
解答 36．A 细节理解题，根据前文Giving your dogs bones is highly recommended可知我们应该给狗吃骨头，这样可以控制他们咀嚼的欲望，故选A．
37．G 细节理解题，根据前文If you have a dog，you may be wondering why it is destroying all the furniture in your house可知给狗一块狗骨头可以防止它破坏家具，故选G．
38．B 细节理解题，根据前文Avoid poultry（家禽） bones because they have a tendency to get stuk in a dog's digestive tract可知家禽的骨头可能对狗有一些危害，可能会危及狗的生命，故选B．
39．F 细节理解题，根据前文The size of the bone is widely dependent on the size of your dog．可知骨头的大小很大程度上取决于你的狗的大小，故选F．
40．C 细节理解题，根据最后一段Bones are also great to help dogs to get rid of being bored．They can keep your dog busy for hours，which is especially useful if you're someone who isn't home for hours at a time．You can also save your furniture by providing your dog with a flavored rawhide可知本段主要介绍了狗骨头对狗的一些其他好处，故选C．
点评 题目涉及多道细节理解题，做题时结合原文和题目有针对性的找出相关语句进行仔细分析，推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案，切忌胡乱猜测，一定要做到有理有据．
