高性能计算是衡量一个国家计算机科学水平的重要指标
A. 对
B. 错
某居住区生活给水定额200L/人/d，居住区人口数N=10000人，污水收集系数0.85，则居住区生活污水设计流量Q1为（）
A. 38.38
B. 30.32
C. 44.68
D. 46.30
Which of the following statements is NOT correct? When the War of Independence was over?
A. each new state had its own government.
B. each new state made its own laws and handled all of its internal affairs.
C. the national government was called the Congress with little power.
D. the relationships between the states and the national government were clearly defined.
According to the author, the Articles of Confederation failed because ofthe following reasons. Which is not true?
A. The new states did not cooperate with the Congress or with each other.
B. Some new states wanted to be free from the Union.
C. The Congress could not raise money to pay the national army and to pay debts owed to France and other nations.
D. The Congress had no power to tax any citizen.
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