To a large extent, computers have already ________ most aspects of our lives, from transportation and telecommunications to entertainment.
A. perished
B. persisted
C. permeated
D. persecuted
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The growing __________ of computer hardware, operating systems and programs often makes computers more likely to break down.
A. authenticity
B. complexity
C. commodity
D. fatality
Match the useful expressions
ClozeDirections:There are 10 blanks in this passage. For each blank there are 4 choices marked A, B, C and D. Choose one answer that best completes the passage.World War II was a global war that was under way by 1939, and ended in 1945. It involved a vast majority of the world’s nations, including all of the great powers, eventually forming two opposing military alliances: the Allies and the Axis (轴心国). It was the most 1 and widespread war in human history, with 2 people serving in military units. In a state of “total war”, the major participants placed their entire economic, industrial, and scientific capabilities at the service of the war effort, erasing (消除) the 3 between civilian and military resources. Estimated for the total number of 4 of the war vary, because many deaths went 5. Most suggest that some 60 million people died in the war. Many civilians died because of disease, starvation, and 6.The war ended with the total victory of the Allies over the Axis in 1945. World War II altered the political alignment (结盟) and social structure of the world. The United Nations was established to 7 international cooperation and prevent future conflicts. The Soviet Union and The United States emerged as rival superpowers, setting the 8 for the so-called Cold War, which lasted for the next 46 years. Meanwhile, the influence of the European great powers started to 9, while the decolonization (非殖民地化) of Asia and Africa began. Most countries whose industries had been damaged moved toward economic recovery. Political integration, especially in Europe, emerged as an effort to 10 post-war relations.
下列( )是用户和电子邮件系统之间的接口,主要负责邮件的编写和发送、接收和阅读等工作。
A. MUA
B. MTA
C. MDA
D. MRA