Waking up with "morning breath"is quite normal, and it usually goes away after eating and drinking, or brushing your teeth. Your breath can also smell different after drinking coffee or alcohol, or eating spicy food, garlic or onions- sometimes you may think you've got bad breath when actually it's quite okay However, if you're concerned or embarrassed about halitosis (A5)- ongoing bad breath, a trip to the doctor or dentist should be in order, because there could be something else going on with your health Your mouth is the first place to investigate the origin of bad breath. When smell-causing bacteria attack food after eating. they release strong-smelling sulphur (硫) People with halitosis may have more of these bacteria present in their mouth. Additionally not cleaning, or brushing your teeth properly leads to a build-up of harmful substances on the teeth, and can cause some swelling and strong smell in the mouth. Medical conditions that reduce the amount of saliva( HE K )in the mouth can cause problems too. That's because saliva keeps the mouth just wet, reducing strong smell Strong-smelling breath can be a symptom of medical conditions such as mouth or throat infections. a pear-smelling breath caused by high blood sugar, which occurs as a result of uncontrolled diabetes (N kpj), can also indicate some other serious diseases If you're worried how your breath smells at close range, nutritionist Katrina Pace comes to the rescue with simple tips. Keep away from sharp-tasting food, drink and alcohol, Katrina said. "Drinking water regularly and chewing fresh parsley(K/T) can also help 12. When should we see a doctor about a bad breath? A. After eating sharp-tasting food B When waking up with morning breath C.After drinking coffee or alcohol D. When having continuous smelly breath 13. What does paragraph 3 mainly talk about? A. The causes of bad breath B. The effects of medicines C. The importance of saliva D. The necessity of teeth-brushing 14. What can we learn from paragraph 4? A.Strong-smelling breath may result in diabetes B Mouth infections are a symptom of bad breath C. Pear-smelling breath may be a sign of some diseases D. Throat infections are caused by strong-smelling breath 英语试卷第5页(共10页)
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