Question

A new study suggests that washing dishes by hand is healthier than using a dishwasher.

Nobody likes doing the dishes,but it turns out that doing this task might pay off in an unexpected way.According to a new study published in the Journal of Pediatrics,washing dishes by hand instead of using a dishwasher might prevent the development of allergies(过敏).

Researchers in Sweden surveyed the parents of 1,029 children aged 7 and 8.They discovered that children whose families hand-washed the dishes instead of using a machine were less likely to have allergies.

Earlier research has shown that dishes washed by machine are cleaner than those washed by hand.So why would kids who eat off of slightly dirtier plates be better off when it comes to preventing allergies?One explanation is based on a theory known as the “hygiene hypothesis”,which says the reason kids develop allergies is that their surroundings are actually too clean.Your immune system keeps you healthy by fighting germs(细菌)like bacteria and viruses.But when you have allergies,it overreacts and tries to fight ordinary things like pollen(花粉)or certain foods.

Being exposed to germs,especially early in life,is good training for the immune system,says the lead author of the study,Dr.Bill Hesselmar of Queen Silvia Hospital in Sweden.“You stimulate the immune system in various ways and it becomes tolerant.”

This study shows that while using the dishwasher might be easier,the old-fashioned method of cleaning up could be better for your health.

1.What is the benefit of washing dishes by hand?

A. It can improve our immune system.

B. It is easier than washing by machine.

C. It costs less time than washing by machine.

D. It might reduce the chance of developing allergies.

2.What can we learn from Paragraph 4?

A. Our health depends much on our immune system.

B. Children in clean environment must have allergies.

C. Our immune system can only fight bacteria and viruses.

D. Hand-washed dishes are as clean as those washed by machine.

3.What do we know about germs from the passage?

A. Without germs,people won’t get sick.

B. There are no germs in clean environment.

C. Exposure to germs can improve our immune system.

D. Germs like bacteria and viruses do harm to our health.

Answer

1.D

2.A

3.C

【解析】这篇文章主要讲了用手洗碗的好处，就是可以减少过敏。虽然用洗碗机洗碗很方便，但是为了我们的健康着想，还是用手洗碗比较好。

1.根据According to a new study published in the Journal of Pediatrics,washing dishes by hand instead of using a dishwasher might prevent the development of allergies(过敏). 可知用手洗碗的好处就是可以减少过敏。

2.根据Your immune system keeps you healthy by fighting germs(细菌)like bacteria and viruses. 可以看出我们的健康更多取决于我们的免疫系统。

3.根据Being exposed to germs,especially early in life,is good training for the immune system,says the lead author of the study,Dr.Bill Hesselmar of Queen Silvia Hospital in Sweden.“You stimulate the immune system in various ways and it becomes tolerant.”可知暴露在细菌下可以提高我们的免疫系统。