单项选择题

门按其开启方式通常分为（）

A．内开门、外开门等
B．平开门、弹簧门、折叠门及旋转自动门等
C．防火门、隔音门及保温门等
D．单扇门、双扇门等

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提高效率通过采用信息技术，可以提高业务处理流程的自动化程度，实现企业范围内的信息共享，提高企业员工作能力，并有效的减少培训需求，使企业内部的管理更高效。

答案：正确

B. Fill in the blanks with proper words/phrase/clause by referring to the text or to what you get from the video.
4. These long-standing efforts have, without exception, [填空1] poor outcomes, in a nutshell because they must swim against the [填空2] of market forces. (Unit 5, Text 1, Para. 1)
5. The economic benefits [填空3] the U.S. move to energy independence are [填空4]. (Text 1, Para. 5)
6. In addition, major increases in fuel economy have occurred [填空5] the surge in international oil prices in 2008 and the subsequent restructuring of General Motors and Chrysler [填空6] their bankruptcies.(Text 1, Para. 4)
7. Acid rain [填空7] sulfur dioxide and nitrogen oxides mix with water, oxygen, and other chemicals in the atmosphere, [填空8] rain and other precipitation that is mildly acidic. (Unit 3, Text 1, Para. 8)

答案： 1、yielded 2、tide 3、being derived from 4、considerable 5、a...