下列语句正确的是A) If x≠y Then Print "x不等于y" B) If

题型:单项选择题

问题:

下列语句正确的是

A) If x≠y Then Print "x不等于y"
B) If x<>y Then Print "x不等于y"
C) If x><y Then Print "x不等于y"
D) If x<>y Print "x不等于y\

考点:计算机等级考试VISUALBASIC二级VISUALBASIC笔试
题型:单项选择题

在货币供应量过多,难以尽快减少的情况下,可以通过()办法求得一定时期内商品总供给和总需求的暂时平衡。

A、控制信贷投放

B、加强立法

C、调慢货币流通速度

D、加快货币流通速度

题型:单项选择题

杭州是一个有着2000多年悠久历史的文化名城,建设地铁这样的大型工程中,历史积淀的保护,自然引人关注。杭州的地铁建设总体设计是:在老城区的工程,全部在地下作业;城郊接合部以及农村的,采用高架作业。

在地下作业中,针对杭州地质状况复杂、地下水位高的情况,市地铁集团会同全体参建单位,多次组织专家论证,完善施工组织方案,严格施工管理,逐一攻克施工难点、风险点,保质保量地推进了地铁的建设。

结合材料,说明杭州地铁的设计与施工蕴含了辩证唯物论哪些道理?(15分)

题型:单项选择题

CuSO4·5H2O是铜的重要化合物,有着广泛的应用。以下是CuSO4·5H2O的实验室制备流程图。

根据题意完成下列填空:

(1)向含铜粉的稀硫酸中滴加浓硝酸,在铜粉溶解时可以观察到的实验现象:_____________、_____________。

(2)如果铜粉、硫酸及硝酸都比较纯净,则制得的CuSO4·5H2O中可能存在的杂质是_____________,除去这种杂质的实验操作称为_____________。

(3)已知:CuSO4+2NaOH=Cu(OH)2↓+Na2SO4。称取0.100 0 g提纯后的CuSO4·5H2O试样于锥形瓶中,加入0.100 0 mol/L氢氧化钠溶液28.00 mL,反应完全后,过量的氢氧化钠用

0.100 0 mol/L盐酸滴定至终点,耗用盐酸20.16 mL,则0.100 0 g该试样中含CuSO4·5H2O_____________g。

(4)上述滴定中,滴定管在注入盐酸之前,先用蒸馏水洗净,再用_____________。

题型:单项选择题

In the United States, the first day nursery was opened in 1854. Nurseries were established in various areas during the (91) half of the 19th century; most of (92) were charitable. Both in Europe and in the U. S. , the day-nursery movement received great (93) during the First World War, when (94) of manpower caused the industrial employment of unprecedented numbers of women. In some European countries nurseries were established (95) in munitions (军火)plants, under direct government sponsorship. (96) the number of nurseries in the U.S. also rose (97) , this rise was accomplished without government aid of any kind. During the years following the First World War, (98) , Federal, State, and local governments gradually began to exercise a measure of control (99) the day nurseries by (100) them and by inspecting and regulating the conditions within the nurseries.
The (101) of the Second World War was quickly followed by an increase in the number of day nurseries in almost all countries, as women were (102) called upon to replace men in the factories. On this (103) the U. S. government immediately came to the support of the nursery schools, (104) $6,000,000 in July, 1942, for a nursery school program for the children of working mothers. Many States and local communities (105) this Federal aid. By the end of the war, in August, 1945, more than 100,000 children were being cared (106) in day-care centers receiving Federal (107) Soon afterward, the Federal government (108) cut down its expenditures for this purpose and later (109) them, causing a sharp drop in the number of nursery schools in operation. However, the expectation that most employed mothers would leave their (110) at the end of the war was only partly fulfilled.

A.expanded

B.facilitated

C.supplemented

D.compensated

题型:单项选择题

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