审计人员在确定函证的样本量时，应考虑的因素包括（）。 A.以前年度函证的结果 B.被

For more than two centuries, American’s colleges and universities have been the backbone of the country’s progress. They have educated the technical, managerial, (1) and provided generation after generation of national leaders. Today educators from around the globe are turning to U. S. institutions of higher learning (2) . They are apt to find many reasons for the excellence of American universities, but (3) stand out as watersheds:
Education (4) : In 1862 Congress enacted the Land-Grant College Act, which essentially extended the opportunity of higher education (5) , including such disenfranchised groups as women and minorities. Each state was permitted to sell large tracts of (6) and use the proceeds to endow at least one public college.
(7) : Over the years, the decentralization and diversity of the America’s colleges and universities have promoted competition for students and resources. Competitive pressure first arose (8) . The academy’s impact really grew after World War II, when (9) commissioned by President Roosevelt argued that it was the federal government’s responsibility to (10) for basic research. Instead of being centralized in government laboratories, scientific research (11) in American universities and generated increasing investment. It also gave graduate students research opportunities and helped (12) far and wide, to the benefit of industry, medicine and society as a whole.
(13) : The end of the World War II saw passage of the Servicemen’s Readjustment Act of 1944. The law, which provided for (14) for returning veterans, made an already democratic higher-education system accessible in ways that were (15) in Europe, opening the doors of the best universities to men and women who had (16) of going to college.
(17) : The creation of federal loan guarantees and subsidy programs, as well as outright grants for college students brought (18) to higher education and further helped to democratize access. Since its founding (19) , the Federal Family Education Loan Program has funded more than 74 million student loans worth more than (20) .

下列关于建筑职工意外伤害保险的论述中，正确的是( )。

A．建筑职工意外伤害保险以施工企业为单位进行投保

B．已在企业所在地参加工伤保险的人员，从事现场施工时仍可参加建筑意外伤害保险

C．建筑职工意外伤害保险实行差别费率，差别费率可与施工企业安全生产业绩、安全生产管理状况等因素挂钩

D．建筑职工意外伤害保险的投保必须实行记名和核实人数的方式

涂料种类繁多，按分散介质种类分为：（）。

A、溶剂型涂料

B、有机型涂料

C、水溶型涂料

D、无机型涂料

E、乳液型涂料

1986年与1952年相比，我国劳动者增加了多少人（）

A．3.13亿

B．5.13亿

C．3.06亿

D．2.07亿

气焊冶金反应时，MnO、SiO₂及其它元素的氧化物不溶于钢，一般都浮到熔池表面，有时来不及浮出时，就形成夹渣。