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Eggs and peanut can prevent allergies(过敏). Giving eggs and peanuts to babies may stop these allergies. Researchers found that babies aged 4 to 6 months who ate eggs were 40% less likely to get an egg allergy. Babies aged 4 to 11 months who ate food with peanuts were 70% less likely to get a peanut allergy.

Egg and peanut allergies are the most common food allergies. Parents must be careful. Babies can choke on big nuts. Other food allergies are soy, wheat and seafood. Giving these to babies may keep allergies away. Parents should check their baby after each new food. We need to find the best ages for babies to eat these foods.

1.What can prevent allergies according to the passage?

A Eggs and peanut.

B Chocolate.

C Seafood and soy.

D Apples and bananas.

解析：选A。细节理解题。根据第一段第一句Eggs and peanut can prevent allergies.可知，故选A。

2.Babies aged 4 to 6 months who ate eggs were _______ less likely to get an egg allergy.

A 40%

B 50%

C 60%

D 70%

解析：选A。细节理解题。根据第一段第三句Researchers found that babies aged 4 to 6 months who ate eggs were 40% less likely to get an egg allergy.可知，故选A。

3.The following foods are talked about in the passage EXCEPT _______.

A soy

B wheat

C seafood

D apple

解析：选D。细节理解题。根据第二段第四句Other food allergies are to soy, wheat and seafood.可知，故选D。

4.What does the underlined word “choke” mean in Chinese?

A 冻住.

B 窒息.

C 晕倒.

D 死亡.

解析：选B。词义猜测题。根据文章应该是婴儿会被大坚果“噎住”，即“窒息”，故选B。

5.What’s the best title of the passage?

A Babies should eat more eggs and peanut.

B Eggs and peanut can prevent allergies.

C We can’t eat wheat and seafood.

D We should eat fewer eggs and peanuts.

解析：选B。文章标题题。这篇文章讲述的是“鸡蛋和花生可以预防过敏”，故选B。