计算抛物线y=x22与直线y=x+4所围图形面积s=______.

题型:填空题

问题:

计算抛物线y=
x2
2
与直线y=x+4所围图形面积s=______.
考点:定积分的概念及几何意义
题型:填空题

促进多巴胺能神经末梢释放DA的是( )。

A.左旋多巴
B.金刚烷胺
C.苯海索
D.溴隐亭
E.卡比多巴

题型:填空题

根据短文内容,选择最佳答案。

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 eat fast food for their breakfast and lunch, but they also think cooking is interesting. Parents see the importance of teaching their children how to cook, and most Americans say that home cooked meals are the best.

Americans have their own way of cooking. For example, baking  (烘烤) is the most popular way of cooking in America. Most American families have ovens. American cooks pay attention to (注意) the balance of food. In planning a big meal, they try to cook meat, a few vegetables, some bread and often some sweet food. They also like to make the meal look beautiful. There are many kinds of food of different colors, so the meal is healthy and looks beautiful, too.

小题1:Most Americans       

A.don’t like cooking

B.cook food in the morning

C.eat fast food

D.like having a picnic小题2:Most Americans       

A.don’t eat fast food for their breakfast or lunch

B.have fast food for their breakfast or lunch

C.like to eat fast food for supper

D.don’t have breakfast or lunch小题3:        is the most popular way of cooking in the USA.

A. Baking             B. Cutting        C. Frying      D. Boiling

小题4:How does an American cook balance different kinds of food?

A.He cooks a lot of meat.

B.He cooks meat, vegetables, bread and sweet food for a big meal.

C.He makes the food delicious.

D.He cooks a lot of vegetable.小题5:Which is right according to the passage?

A.The meal looks beautiful because the food 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.Most people in the United States don’t like fast food at all.

题型:填空题

张建和刘扬在交友方面遇到了这样的难题:

张建刚上七年级,面对陌生的同学和老师,内心虽然有与人交往的愿望,脸上却是一副高傲的表情,不肯主动与人打招呼,觉得“先同别人打招呼,就好像低人一等”,只想等着别人跟他打招呼。刘扬同学的头脑中总会冒出“离群索居”的念头,想远离人际交往。

(1)你有类似张健的烦恼吗?请把它写下来。

______________________________________________________________________________

(2)刘扬为什么会有“离群索居”的念头?你认为这样做的后果是什么?

______________________________________________________________________________

(3)请你帮助张建、刘扬想几个金点子解决这一个难题。

______________________________________________________________________________

题型:填空题

DTL型调节器中,输入电阻值为()。

A.800Ω;

B.400Ω;

C.600Ω;

D.200Ω。

题型:填空题

腧穴总体上包括( )

A.十四经穴、奇穴、特定穴

B.十四经穴、奇穴、阿是穴

C.十二经穴、奇穴、特定穴

D.十二经穴、奇穴、五输穴

E.十二经穴、奇穴、阿是穴

更多题库