If you want to know how crazy people can

以下不符合白细胞计数生理性变化的叙述是（）。

A.出生至青春期中性粒细胞数和淋巴细胞数有两次交叉

B.早晨较高，下午较低

C.安静时较高，进食后比进食前高

D.剧烈活动后显著增多

E.妊娠期常轻度增加

估算单台进口车辆的购置费。2．从国民经济评价的角度，计算每公里综合经济成本。3．对上述两方案进行比选，推荐一个方案，并说明理由。(所有计算结果保留两位小数)

某医院管理系统部分关系模式为：科室(科室号，科室名，负责人，电话)、病患(病历号，姓名，住址，联系电话)和职工(职工号，职工姓名，科室号，职位，住址，联系电话)。假设每个科室有一位负责人和一部电话，每个科室有若干名职工，一名职工只属于一个科室；一个医生可以为多个病患看病；一个病患可以由多个医生多次诊治；职位有医生、护士和其他。
a．科室和职工的所属联系类型是 (37) ，病患和医生的就诊联系类型是 (38) 。科室关系的主键和外键分别为 (39) 。对于就诊联系最合理的设计是 (40) ，就诊关系的主键是 (41) 。
b．若科室关系中的科室名是唯一的，并要求指出外码。请将下述SQL语句的空缺部分补充完整。
CREATE TABLE 科室 (科室至号 CHAR(3) PRIMARY KEY,
科室名 CHAR(10) (42) ,
负责人 CHAR(4),
电话 CHAR(20),
(43) );

A．病历号，职工号
B．病历号，职工号，就诊时间
C．病历号，职工姓名
D．病历号，职工姓名，就诊时间

If you    that movie last night, you wouldn't be so sleepy.    [ ]

A. haven't watched  

B.hadn't watched  

C. didn't watch    

D.wouldn't have watched

In one very long sentence, the introduction to the U. N. Charter expresses the ideals and the common aims of all the people whose governments joined together to form the U. N.

"We, the people of the U. N. , determined to save succeeding generations from the scourge of war which twice in our lifetime has brought untold suffering to mankind, and to reaffirm faith in fundamental rights, in the dignity and worth of the human person, in the equal rights of men and women and of nations, large and small, and to establish conditions under which justice and respect for the obligations arising from treaties and other sources of international law can be maintained, and to promote social progress and better standards of life in larger freedom, and for these ends, to practise tolerance and live together in peace with one another as good neighbours, and to unite our strength to maintain international peace and security, and to ensure, by the acceptance of principles and the institution of methods, that armed force shall not be used, save in the common interest, and to employ international machinery for the promotion of economic and social advancement of all peoples, have resolved to combine our efforts to accomplish these aims."

The name "United Nations" is accredited to U. S. President Franklin D. Roosevelt, and the first group of representatives of member States met and signed a declaration of common intent on New Year’s Day in 1942. Representatives of five powers worked together to draw up proposals, completed at Dumbarton Oaks in 1944. These proposals, modified after deliberation at the conference on International Organization in San Francisco which began in April 1945, were finally agreed on and signed as the U.N. Charter by 50 countries on 26 June 1945. Poland, not represented at the conference, signed the Charter later and was added to the list of original members. It was not until that autumn, however, after the Charter had been ratified by China, France, the U. S. S. R. U. , the U.K. and the U. S. and by a majority of the other participants that the U. N. officially came into existence. The date was 24 October, now universally celebrated as United Nations Day.

The essential functions of the U. N. are to maintain international peace and security, to develop friendly relations among nations, to cooperate internationally in solving international economic, social, cultural and human problems, promoting respect for human rights and fundamental freedoms and to be a centre for co-ordinating the actions of nations on attaining these common ends.

No country takes precedence over another in the U. N. Each member’s rights and obligations are the same. All must contribute to the peaceful settlement of international dispute, and members have pledged to refrain from the threat or use of force against other states.

What did President Roosevelt have to do with the United Nations（）

A. He established "The United Nations"

B. He was given the name "The United Nations"

C. He was a credit to "The United Nations"

D. He probably devised the name "The, United Nations"