第六章测试
1.Pollen allergy arises in certain seasons, usually when the pollen count in the air is low. ( )
A:对 B:错
答案:B
2.The reaction of pollen allergy is sometimes mistaken for other conditions like ( ).
A:headache B:toothache C:a prolonged cold or even the flu D:stomachache 3.All airborne allergies are treated in largely the same way involving the use of the following medication:( ).
A:desensitization therapy B:streptomycin C:antibiotics D:antihistamines 4.Desensitization course means administering small amounts of the allergen under theskin. ( )
A:错 B:对 5.The immune system works 24 hours a day, ( ).
A:during the day B:at weekends C:at night D:7 days a week 6.Some of the most harmful antigens are germs like viruses and bacteria. ( )
A:对 B:错 7.It is recommended to treat a minor fever immediately as it is the body's way of fighting off the infection. ( )
A:错 B:对 8.( ) are one kind of problem--the immune system overreacts and treats something harmless, like peanuts as something really dangerous to the body.
A:Infection B:AIDS C:Allergies D:HIV 9.Due to the lack of insulin, glucose stays in the blood and builds up, resulting in the hardening of blood vessels that can lead to multiple issues like ( ).
A:heart attack, B:flu C:strokes, D:kidney failure. 10.( ) can help prevent type 2 diabetes.
A:Achieving and maintaining a healthy body weight B:Being physically active C:Eating a healthy diet D:Avoiding tobacco use

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