粪便中同时出现红细胞，白细胞和巨噬细胞最可能( )。A．溃疡性结肠炎 B．十二指肠

阅读短文，选择正确答案。

    Every country has its own way of cooking. American people have their way of cooking, don't they?

    Most people in the United States like fast food. But if you think that American people don't like cooking, you

are wrong. It's true that most Americans take fast food as their breakfast and lunch. But they also think cooking

is interesting. Parents see the importance of teaching their daughters how to cook. And most Americans say that

home-cooking meal is the best.

    Americans have their own way of cooking. For example, baking (烘烤) is the most popular way of cooking

in America. We can see ovens (烤炉) in most American families. American cooks pay attention to the balance

of food. In order to plan a big meal, they try to cook meat, a few vegetables, some bread and often some sweet

food in different colors on the plate, so the food is healthy and looks beautiful, too.

1. Most Americans _______. [ ]

A. don't like cooking

B. cook food in the morning

C. like home-cooking meal

D. don't like home-cooking meal

2. It's true that most Americans _______. [ ]

A. take fast food as their dinner

B. have fast food as their breakfast

C. cook meat as their breakfast

D. only like sweet food

3. _______ is the most popular way of cooking in the U.S.A. [ ]

A. Baking

B. Frying.

C. Boiling

D. Steaming

4. How does a cook make the balance of food? [ ]

A. He tries to cook a lot of meat.

B. He tries to cook meat, vegetables, bread and sweet food for a big meal.

C. He tries to make the food delicious.

D. He tries to cook a lot of sweet food.

5. Which is right according to the passage? [ ]

A. The meal looks beautiful because the food on the plate is in different colors.

B. American people do not like to cook food at home.

C. American parents do not like to teach their children to cook.

D. American people don't think home-cooking food is the best.

地上无建筑物的划拨土地使用权不能单独设定抵押。（ 　）

熔断器在低压配电系统和电力拖动系统中主要起（）保护作用，因此熔断器属保护电器。

A．轻度过载

B．短路

C．失压

D．欠压