不属于临床实验室检测系统的不确定度的是() A.标准不确定度 B.合成不确定度 C.

题型:单项选择题

问题:

不属于临床实验室检测系统的不确定度的是()

A.标准不确定度

B.合成不确定度

C.绝对不确定度

D.相对不确定度

E.B类标准不确定度

考点:临床医学检验临床血液实验信息系统的使用与管理综述实验信息系统的使用与管理综述题库
题型:单项选择题

(11·佛山)地球上的海洋面积约为361 000 000 km2,则科学记数法可表示为      km2

题型:单项选择题

黏膜支持式可摘局部义齿的力()

A.通过卡环传导到基牙上

B.通过支托传导到基牙上

C.通过基托传导到基牙上

D.通过基托传导到黏膜和牙槽骨上

E.通过支托传导到黏膜和牙槽骨上

题型:单项选择题

阅读理解

     Christmas is a religious holiday. It is the day on which Christians celebrate the birth of Jesus Christ. It is a happy holiday. Families come together to share their happiness, go to church, and exchange gifts. During the days before Christmas, parties are held in schools, offices, factories, and clubs; homes and stores are

crowded with shoppers.

     Cities and towns in the United States sparkle with bright lights and decorations. Churches, homes,

schools, shops, and streets are decorated with Christmas trees, colored lights, Santa Claus and his

reindeer, and nativity scenes showing the stable where Jesus Christ was born. Store windows display gifts and Christmas scenes. The traditional colors for this holiday are red and green, and red poinsettia is

considered as the Christmas flower. On Christmas Eve, President of the United States turns on the lights of the Christmas tree near the White House and sends his greetings to the nation.

     Families prepare for this holiday a few weeks before. They make special foods. They make and buy

gifts. They wrap them with ornaments and lights. Houses are decorated with wreaths of holly, evergreens, and mistletoe. Many families share memories by following special ethnic Christmas traditions from their

country of origin. On Christmas Eve, many read the famous prom A Visit from Saint Nicholas by Clement Moore. Children hang up stockings to receive gifts from Santa Claus. Schools usually have two weeks of

vacation, and some families take vacations together.

     People wish each other "Merry Christmas" during this holiday season. In many states, people look

forward to snow (White Christmas). Christmas carols are sung on the radio and in public places during this season. Some of the most famous carols are Silent Night, The First Noel, Joy to the World, and Jingle

Bells. There are many shows on television called "Christmas Specials". Films like A Christmas Carol (by

Charles Dickens) and Miracle on 34th Street are family favorites. Churches, organizations, and

newspapers ask for donations of money and food for the needy. Volunteers from the Salvation Army stand outside stores collecting money for the same purpose. Meals are prepared and served to the poor and

homeless.

1.People celebrate Christmas Day because            .

A.they want to share their happiness together

B.they want to get Christmas gifts from Santa Claus

C.they want to express their thanks to Jesus Christ

D.they want to celebrate the birth of Jesus Christ

2. Which of the following is NOT right?

A. People exchange gifts at Christmas.

B. Homes and stores are very crowded at Christmas.

C. People celebrate Christmas only on Christmas Eve.

D. Students usually have a two-week vacation at Christmas.

3. Which of the following is NOT a Christmas carol?

A. Miracle on 34th Street.

B. The First Noel. 

C. Joy to the World.  

D. Silent Night.

4. Who can get free meals on Christmas Day?

A. All the people.

B. The poor and homeless.

C. Children.

D. Santa Claus.

题型:单项选择题

以下哪些是供应链决策层次中战略性层次所需要的信息要求()

A.广泛而不需要太详细

B.成本、生产能力和规划层面的需求集中水平

C.专注于信息的分析而不是信息的收集

D.关注于计划的执行与交易的记录

E.关注计划执行的控制情况

题型:单项选择题

预留印鉴卡一式()份。

A、1

B、2

C、3

D、4

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