DTH皮肤试验阳性与下列物质有关() A.抗体、补体和CK B.抗原、抗原致敏的T淋

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问题:

DTH皮肤试验阳性与下列物质有关()

A.抗体、补体和CK

B.抗原、抗原致敏的T淋巴细胞和巨噬细胞

C.抗原抗体复合物、补体和中性粒细胞

D.IgG抗体、抗原和肥大细胞

E.抗原、巨噬细胞和补体

考点:临床医学检验临床化学临床免疫学临床免疫学题库
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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) .

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电动执行器、气动执行器、气动薄膜调节阀应进行全行程时间试验。

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暖管温升速度按照2—3℃/min要求进行,符合要求。

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下列场所()属于高度危险的环境。

A.锅炉房

B.电镀车间

C.成品库

D.酸洗车间

E.室内外变配电站

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在工程多方案比较中,投资回收期小的方案是最优方案。 ( )

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