5.According to the passage, you will have a food allergy when

　　your immune system ________.

　　A.recognizes tiny organisms in a certain food

　　B.mistakenly makes antibodies to help fight off something in a certain food

　　C.prevents something harmful in the food from entering your digestive system

　　D.releases chemicals to remove harmful things in a certain food

　　6.In the sudden and severe allergic reaction, which of the following may happen?

　　A.Blood pressure rising.

　　B.Lips swelling.

　　C.Breathing difficulty.

　　D.Heart beating becoming slow.

　　7.Which of the following suggestions is given to those at risk of severe allergic reaction?

　　A.Taking medicine as soon as an allergic reaction appears.

　　B.Avoiding eating any food when going outside.

　　C.Always carrying with special medicine for possible symptoms.

　　D.Preparing a plan for dealing with emergencies ahead of time.

　　8.What will an allergist do to check your food allergy out?

　　A.Ask you about the allergy­associated information.

　　B.Give you some medicine right away.

　　C.Enquire about your present feeling towards the food.

　　D.Give you a shot of liquid extract of food.

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