从3：00到3：15，分针顺时针旋转了______．

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) .

减容期满后的客户及新装，增容的客户，（）内不得申请办理减容或暂停。

A.半年

B.一年

C.两年

D.一年半

影响DSA影像质量的因素（）

A.噪声

B.运动伪影

C.造影剂浓度

D.被检者的器官状态和精神状态

E.以上全是

根据个人所得税法的有关规定，下列说法正确的有（）。

A.个人独资企业以投资者为纳税义务人，合伙企业以合伙企业为纳税义务人

B.个人独资企业和合伙企业的投资者兴办两个或两个以上企业的，企业年度经营亏损可以跨企业弥补

C.个人投资者兴办两个或者两个以上企业的，其费用扣除标准，由税务机关决定在其中一个企业的生产经营所得中扣除

D.实行查账征税方式的个人独资企业和合伙企业改为核定征税方式后，在查账征税方式下认定的年度经营亏损未弥补完的部分，不得再继续弥补

E.个人独资企业的投资者及其家庭发生的生活费用与企业生产经营费用混合在一起，并且难以划分的，全部视为投资者个人及其家庭发生的生活费用，不允许在税前扣除

蒸发真空跌会使闪蒸罐真空跌。