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【单选题】
关于微型计算机体系结构,下列说法正确的是（ ）。A.
微型计算机体系结构是一种基于总线的计算机体系结构。
B.
微型计算机体系结构采用的是冯 • 诺依曼计算机体系结构。
C.
微处理器由运算器、控制器和存储器组成。
D.
微处理器的主要功能是存储指令、执行指令。
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【单选题】听力原文： More than 50 percent of all homes in the U.S. have one thing in common people living in them keep one or two small animals as pets. In fact there are more pets in the U.S than children. Why? Res...
A.
That more work is necessary for those facts.
B.
That animals are helpless to healthy people.
C.
That animals can also become friends of humans.
D.
That they had a very successful discovery.
【简答题】Passage One At the base of a mountain in tanzania's Gregory Rift, Lake Natron burnsbright red, surrounded the remains of animals that were unfortunate enough tofall into the salty water. Bats, swallow...
【单选题】回答题 Fishing adds only about one percent to the global economy, but on a regional basis it can con-tribute extremely to human survival．Marine fisheries contribute more to the world&39; s supply of pro-...
A.
beef
B.
fish
C.
pork
D.
chicken
【单选题】Read the following introductory paragraph and decide the method it used. Ten years from now, people will be surprised that there ever was a vigorous debate about public school choice. It will be an ac...
A.
Strike contrast with the thesis statement
B.
Present an important or famous people ’ s saying
C.
Present figures or statistics
D.
Present relevant background information
【判断题】In the U.S., if a middleman is terminated, the company is required to pay one percent of the middleman ’ s average annual compensation, multiplied by the number of years the middleman served, as a fin...
A.
正确
B.
错误
【简答题】(2019 原创 )China ’ s new-generation( 新一代 ) high-speed train, the Fuxing, is now one of the fastest trains in the world. It has changed the way we 1 . Now, there are thousands of high-speed trains runni...
【单选题】It can be inferred from Paragraph 2 that
A.
two percent of the families in the U.S. must pay estate tax.
B.
there is no need for one to pay asset tax if he owns more than $3.5 million in 2009.
C.
one has to pay asset tax no matter how much money he owns in 2010.
D.
one probably has to pay asset tax if he owns more than $ 1 million in 2011.
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