私人物品

题型:名词解释

问题:

私人物品

考点:西方经济学西方经济学综合练习西方经济学综合练习题库
题型:名词解释

4个男同学,3个女同学站成一排.

(1)男生甲必须排在正中间,有多少种不同的排法?

(2)3个女同学必须排在一起,有多少种不同的排法?

(3)任何两个女同学彼此不相邻,有多少种不同的排法?

(4)其中甲、乙两名同学之间必须有3人,有多少种不同的排法?

题型:名词解释

(9分)装卸工人用如图所示的装置将重为1000N的货物提至高处,人对绳的拉力为650N,货物在1min内匀速上升了5m,(不计绳重和摩擦)在此过程中求:

(1)请你在图上画出绳子的绕法;

(2)拉力所做的有用功;

(3)拉力的功率;

(4)若用此滑轮组提升1200N的重物,此时滑轮组的机械效率.

(计算过程写在答题纸上)

题型:名词解释

阅读理解

     Parsley (欧芹)  is an ancient green and a respected addition to many foods.But at other times, its job

is just to make a mealtime plate look pretty.Poor parsley, valued for its looks, then is thrown away.Yet

parsley is a good source of vitamins and other nutrients.The taste is a little strong for some people, but

others chew on parsley to freshen their breath.

     Curly parsley is the king that often ends up being used just for appearance.Flatleaf parsley is easier to

work with for cooking.This kind is often called Italian or French parsley.Do you know about a third kind

of parsley?Hamburg parsley has flat leaves that can be used for the same purposes as other parsley.But

hamburg parsley has a large root which is used as a vegetable to add flavor to soups.

     Parsley is used in foods such as tabouli, a traditional Lebanese salad and is often served with lamb,

fish and beef dishes.Parsley is a herb if you use just the greens.If the root is used, then parsley is

considered a vegetable.

     Some gardeners suggest that to get the besttasting parsley, you should plant new seeds every year.

You can get parsley to grow faster by pouring warm water over the seeds.Leave the seeds in the water

overnight.Then you can grow them in containers indoors or plant them outside.Parsley grows best when

temperatures are below twentyone degrees Celsius.It likes to grow in sunny places.The seeds need rich

soil.Plant the seeds about fifteen to twentyfive centimeters apart.Water them regularly during the first

month.After that, parsley does not need very much water.You can harvest parsley by cutting most of the

plant or leave more of the plant in the ground for a second crop.

1. From the passage we can learn that________.

A. people don't like parsley's strong taste at all

B. people don't attach great importance to parsley's value

C. parsley has been widely planted in the world

D. only ancient people used parsley as an addition

2. Which of the following can be the best title for the passage?

A. The Planting of Parsley  

B. To Parsley's Regret

C. Parsley  

D. The Use of Parsley

3. It seems________to the writer that parsley is valued for its looks.

A. regretful  

B. unbelievable

C. confusing  

D. doubtful

4. The last paragraph mainly deals with________.

A. how to use parsley

B. whether people like parsley

C. how to plant parsley

D. how the author feels about parsley

题型:名词解释

患者,女,52岁,尿毒症患者,腹胀,腹部移动性浊音阳性,该患者腹腔内的腹水量至少为

A.200ml
B.400ml
C.600ml
D.800ml
E.1000ml

题型:名词解释

儿童游戏场中为考虑儿童安全,对植物的选择有什么规定?

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