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Section C sec-c.mp3: Directions: In this section, you will hear a passage three times. When the passage is read for the first time,you should listen carefully for its general idea. When the passage is read for the second time,you are required to fill in the blanks with the exact words you have just heard. Finally,when the passage is read for the third time,you should check what you have written. The first copyright law in the United States was passed by Congress in 1790. In 1976 Congress enacted the latest copyright law, __26__ the technological developments that had occurred since the passage of the Copyright Act of 1909. For example, in 1909, anyone who wanted to make a single copy of a __27__ work for personal use had to do so by hand. The very process __28__ a limitation on the quantity of materials copied. Today, a photocopier can do the work in seconds; the limitation has disappeared. The 1909 law did not provide full protection for films and sound recordings, nor did it __29__ the need to protect radio and television. As a result, __30__ of the law and abuses of the intent of the law have lessened the __31__ rewards of authors, artists, and producers. The 1976 Copyright Act has not prevented these abuses fully, but it has clarified the legal rights of the injured parties and given them an __32__ for remedy. Since 1976 the Act has been __33__ to include computer software, and guidelines have been adopted for fair use of television broadcasts. These changes have cleared up much of the confusion and conflict that followed __34__ 1976 legislation. The fine points of the law are decided by the courts and by acceptable common practice over time. As these decisions and agreements are made, we modify our behavior accordingly. For now, we need to __35__ the law and its guidelines as accurately as we can and to act in a fair manner.
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参考答案:
举一反三
【单选题】齿轮传动的特点有
A.
传递功率和速度范围大
B.
寿命长,效率低
C.
能无级变速
D.
制造和安装精度不高
【单选题】纯净的碳酸氢钙试样在高温下分解,当剩余的固体物质质量为原试样质量一半时,碳酸氢钙的分解率是 [     ]
A.
50%
B.
75%
C.
92.7%
D.
100%
【判断题】创建线程常见的方法有两种:一种是继承java.lang包中的Thread类;另一种是实现Runnable接口。
A.
正确
B.
错误
【判断题】冷却风扇控制单元安装在发动机舱左侧蓄电池附近,由于控制单元不像开关可以人为直接对其进行操作,因此在对冷却风扇控制单元进行检测时,只能通过对它的输入信号和输出信号进行模拟实验,从而判断其是否损坏。( )
A.
正确
B.
错误
【多选题】由于机械产品的结构形式种类繁多,工艺过程差别很大,所以工艺规程很难有统一的格式。但常见的有______等形式。
A.
工艺路线卡
B.
工艺过程卡
C.
典型工艺卡
D.
工艺流程图
E.
工艺过程综合卡
【单选题】电气工程图的种类繁多,常见的有:电气原理图.安装接线图、展开接线图、平面布置图和剖面图。维修电工以电气原理图、安装接线图和( )最为重要。
A.
平面布置图
B.
剖面图
C.
展开接线图
D.
立体图
【多选题】由于机械产品的结构形式种类繁多,工艺过程差别很大,所以工艺规程很难有统一的格式。但常见的有______等形式。
A.
工艺路线卡
B.
工艺过程卡
C.
典型工艺卡
D.
工艺流程图
E.
工艺过程综合卡
【判断题】冷 却风扇控制单元安装在发动机舱左侧蓄电池附近,由于控制单元不像开关可以人为直接对其进行操作,因此在对冷却风扇控制单元进行检测时,只能通过对它的输入信号和输出信号进行模拟实验,从而判断其是否损坏 。( )
A.
正确
B.
错误
【单选题】齿轮传动的特点有
A.
传递的功率和速度范围大
B.
使用寿命长,但传动效率低
C.
制造和安装精度要求不高
D.
能实现无级变速
【单选题】齿轮传动的特点有
A.
传递的功率和速度范围大
B.
使用寿命长,但传动效率低
C.
制造和安装精度要求不高
D.
能实现无极变速
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