（）在1937年提出的交易费用。

A:亚当斯 B:科斯 C:富兰克林 D:休哈特

1927——1937年新文了的文学思潮特点

水的光解是由（）于1937年发现的。

1937年7月7日是个什么日子？

1937年法国巴黎世博会的主题是（）。

A:太空时代的人类 B:人类与世界 C:无污染的进步 D:现代世界的艺术和技术

Text 2
The idea of public works projects as a device to prevent or control depression was designed as a means of creating job opportunities for unemployed workers and as a "pump priming" device to aid business to revive. It was conceived during the early years of the New Deal Era ( 1933 -- 1937). By 1933, the number of unemployed workers had reached about 13 million. This meant that about 50 million people -- about one-third of the nation -- were without means of support. At first, direct relief in the form of cash Or food was provided these people. This made them recipients of government charity. In order to remove this stigma and restore to the unemployed some measure of respectability and human dignity, a plan was devised to create governmentally sponsored work projects that private industry would not or could not provide. This would also stimulate production and revive business activity.
The best way to explain how this procedure is expected to work is to explain how it actually worked when it was first tried. The first experiment with it was the creation of the Works Project Administration (WPA). This agency set up work projects in various fields in which there were many unemployed. For example, unemployed actors were organized into theater projects, orchestras were organized for unemployed musicians, teaching projects for unemployed teachers, and even writers’ projects for unemployed writers. Unemployed laborers were put to work building or maintaining roads, parks, playgrounds, or public buildings. These were all temporary work relief projects -- rather than permanent work opportunities.
More substantial work projects of a permanent nature were organized by another agency, the Public Works Administration (PWA). This agency undertook the planning of construction of schools, houses, post offices, dams, and other public structures. It entered into contracts with private construction firms to erect them, or it loaned money to local or state governments which undertook their constructions. This created many jobs in the factories producing the material as well as in the projects themselves, and greatly reduced the number of unemployed.
Still another agency which provided work projects for the unemployed was the Civilian Conservation Corps (CCC). This agency provided job opportunities for youths aged 16 to 20 to work in national parks or forests clearing land, guarding against fires, building roads, or doing other conservation work. In the event of a future depression, the federate government might revive any or all of the above methods to relieve unemployment and stimulate business.

A:the New Deal Era (1993 -- 1937) B:the WPA and the PWA C:a pattern for the future D:one-third of a nation

在一个文件系统中，文件的物理结构采用顺序结构。如果有一个文件大小为2550块，则读取该文件的第1937块将会启动硬盘多少次 ( )。

A:1次 B:log₂1937次 C:1937/2次 D:1937次

在一个文件系统中，文件的物理结构采用顺序结构。如果有一个文件大小为2550块，则读取该文件的第1937块将会启动硬盘多少次 ( )。

A:1次 B:log₂1937次 C:1937/2次 D:1937次