The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
A . one-millionth part of a second
B . one-thousandth part of a second
C . one-hundredth part of a second
D . one-tenth part of a second
相似题目
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Which of the following is a feature of a unit of work?（）
A . It applies to a single data server.
B . It is a recoverable sequence of operations.
C . Its value can be queried from the system catalog tables.
D . It begins when the application connects to the data server.
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The pressure head of a pump is given in the unit of （）.
A . kg
B . MPa
C . meter fluid column
D . None of the above is true
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Higher education in the United States consists of（）types of institutions.
A . four
B . five
C . six
D . seve
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The unit of electrical resistance is the （）
A . ampere
B . volt
C . watt
D . ohm
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The full title of the U.K. is the United Kingdom of （）and （）
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The quantity of cooled air delivered by an air conditioning unit should （） the sum of the quantity of air re-circulated to the unit and the quantity mechanically exhausted.
A . balance
B . not balance
C . be more than
D . be less tha
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The President of the United States is elected（）
A、 indirectly by the electors
B、 by Congress
C、directly by the voters
D、None of the above.
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（）the War of Independence, the United States was an English colony.
A . Before
B . At
C . In
D . Betwee
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The pressure head of a water pump is given in the unit of （）.
A . kg
B . MPa
C . mH20
D . None of the above
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The consequence of the three neutrality acts of the United States was（）
A . to make the United States gain time to arm itself
B . to actually help the aggressors by making clear that the United States would not intervene
C . to get the United States involved in the war
D . to prevent the United States form being dragged into the war
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Which of the following will begin a new unit of work?（）
A . The CONNECT statement
B . The first FETCH of a cursor
C . The BEGIN TRANSACTION statement
D . The first executable SQL statement
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The smallest meaningful unit of language is allomorph.
A . 正确
B . 错误
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3. What is the genre of Text A of Unit 3?
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The four administrative units of the United Kingdom are _____.
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The basic principles of the United States Constitution contains:
A、Separation of Powers.
B、Checks and Balances.
C、Individual Rights.
D、Federalism.
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What is one of the purposes of pets in the United States?
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In the United States, the Senate is presided over by______of the United States.
A．the president
B．the vice president
C．the speaker
D．the Secretary of State
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Which of the following statements about the role of government in the United States today is TRUE？
A．The limits imposed on the federal government by the Constitution are the same today as when it was written.
B．Although the federal government provides many more public services today, it is still forbidden to regulate private business in any way.
C．The roles of government — federal, state, and local — over economic activities has increased significantly since the 1880s.
D．The ideas introduced by Adam Smith influence the federal government as much today as they did when the Constitution was written.
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The President of the United States is head of the branch of
A．legislative.
B．executive.
C．judicial.
D．party.
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The national bird of the United States is______.
A．sparrow
B．swallow
C．eagle
D．swan
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The head of govemment of United Kingdom is
A. the Prime Minister．
B. the Speaker of the House of Lords．
C. the Speaker of the House of Commons．
D. the Queen．
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Which of the following is NOT true of the United States？
A．It has been a leader in the global economy.
B．It's hard for the United States to keep the original economic position forever.
C．The United States owns others a lot of money.
D．Its economy will grow more than any other country in the world over next two years.
此题为多项选择题。
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The constitution of the United States__（）
A．gives by far the most power to Congress
B．gives by far the most power to the president
C．tries to give each branch enough power to balance the others
D．It was drafted by the king
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At year-end, the perpetual inventory records of Anderson Co. indicate 60 units of a particular product in inventory, acquired at the following dates and unit costs: Purchased in August: 30 units at $750 per unit. Purchased in November: 30 units at $700 per unit. A complete physical inventory taken at year-end indicates only 50 units of this product actually are on hand. Under the FIFO flow assumption, the cost of these items to be included in inventory in the company's year-end balance sheet is: ().
A、$36,000.
B、$36,500.
C、$42,000.
D、$37,500.
