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【单选题】
LED数码采用动态显示方式,下列说法错误的是()。A.
将各位数码管的位选线并联（即：其中一个数码管的线出故障不会影响到其他数码管）
B.
将段选线用一个8位I/O口控制
C.
将各位数码管的公共端连接在+5V或GND上
D.
将各位数码管的位选线用各自独立的I/O口控制
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反馈参考答案：
举一反三
【判断题】In the 1930s, the United States experienced the Great Depression which first began with the New York stock market crash.()
A.
正确
B.
错误
【单选题】Which of the following is George Bernard Shaw’s first play?
A.
The Quintessence of Ibsenism
B.
The Perfect Wagnerite.
C.
Arms and the Man.
D.
Widower's Houses.
【单选题】Asia's first democracy — a country that has a freely elected government — was ______ which became self-governing in 1935.
A.
Philippine
B.
Philippines
C.
the Philippines
D.
the Philippine Island
【简答题】in the 1920s, faulkner wrote a novel the first part of which was narrated from the view point of an idiot. the novel is _________.
【单选题】Which of the following newspapers in the U.S. is the one that first exposed the Watergate Scandal in 1972?
A.
The Washington Post
B.
The Wall Street Journal
C.
The New York Times
D.
The Los Angeles Times
【单选题】As in business accounting, the balance of payments records increases in assets and decreases in liabilities as __________, and decreases in assets and increases in liabilities as ________.
A.
debit; credit
B.
debit; debit
C.
credit; debit
D.
credit; credit
【单选题】In Taine ’s first aspect, which country makes philosophers.
A.
France
B.
England
C.
Germany
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