Why does something that smells so good taste so bad? Whenever you walk past a café you might be drawn in by the smell of 1. ________ (fresh) made coffee, but the minute you try this dark drink you will regret 2. ________, because it is bitter. Many people are confused by this phenomenon, but now scientists say they have figured out the answer — it lies 3. ________ our “second sense of smell”. We have got two senses of smell. One is 4. ________ we breathe in things from the environment, and the other is when the air comes up the nose and 5. ________ (breathe) out through the nose. In fact the second sense of smell plays a big part in our eating experiences. It may be common sense that we smell through our nose and taste 6. ________ (use) our tongue. But the truth is 7. ________ 80% of what we think of as taste actually reaches us through smell. Just hold your nose while eating and you will notice that your tongue can only catch 8. ________ very small part of the flavor. The mismatch ( 不一致 ) between our two senses of smell doesn’t always have unpleasant results, such 9. ________ durians and some cheese. They are 10. ________ (smelly) than the stinking ( 恶臭的 ) fish, but once they are in your mouth, you are experiencing the smell through the nose in the other direction. It is delicious.