34．Just like humans，dogs can get overweight.You might think your fat friend is cute with those extra pounds，but in fact，you are really harming your dog by allowing him or her to be overweight.If you think that your dog is overweight，you need to get it the help that it needs to continue leading a long and healthy life.If you don't，you could be looking at dealing with some of the same diseases which overweight human beings experience，such as heart disease and bone problems.
Then，how can you know whether or not your dog is overweight？You can always weigh your dog and ask your vet if you are worried，but the best way to tell is to look at your dog from above.Do they have a waistline （腰線）？If your dog don' t have a waistline，it should eat less.
Your dog became overweight because you fed them too much.Unlike humans，dogs will eat until they burst （脹破），especially if you get your dog from a shelter.When dogs do not always know where their next meal coming from，they will eat everything that they can find in case they cannot find food again later.What's more，if you are not exercising your dog，they will gain more weight than necessary.
What can you do about your dog's extra weight caused by overeating？First，be sure that your dog gets exercise every day.It adds up to lots of calorie burning and is good for you，too.Second，stop giving your dog treats.Third，make sure the food dogs eat is being reduced.
根據(jù)上面的短文內(nèi)容填空。
（1）Some dogs' masters might think their pets look
.However，dogs may not live a
life because of being overweight.
（2）You can know if your dog is overweight by
it，going to your vet for advice or looking at it from above to check if it
.
（3）Unlike humans，dogs will not
before they burst，especially the dogs from
.To them，finding food for their next meal is sometimes unsure.
（4）Feeding your dogs
and not giving your dogs exercise are the
of their being overweight.
（5）In this passage，the writer tells you
tips in all to help your overweight dogs to
weight.
