用滚杆运输设备时,滚杆二端应伸出推排外面300mm左右。

题型:判断题

问题:

用滚杆运输设备时,滚杆二端应伸出推排外面300mm左右。

考点:起重机操作工考试安装起重工(初级)安装起重工(初级)题库
题型:判断题
把n克盐放入m克的水中,盐与盐水的比是(  )
A.n:mB.m:nC.n:(m+n)
题型:判断题

闭合性骨折石膏固定后,关节功能锻炼无法进行,易造成的并发症是()

A.急性骨萎缩

B.损伤性骨化

C.关节僵硬

D.缺血性骨坏死

E.缺血性肌挛缩

题型:判断题

底面积为100cm2的容器中装有水,水面浮着一木块。容器底部受到的压强为1980Pa,若取走木块,容器底部受到的压强为1490Pa,则木块重为         N。

题型:判断题

欲配制pH=10的缓冲溶液选用的物质组成是()。

A、NH3-NH4Cl

B、HAc-NaAc

C、NH3-NaAc

D、HAc-NH3

题型:判断题

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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