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【单选题】
调制解调器实现的信号转换是()
A.
模/数和数/模
B.
调制/解调
C.
无线/有线
D.
电信号/光信号
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举一反三
【单选题】Which of the following statements is NOT true about the principal reasons for the absence of common law b efore the Norman Conquest ?
A.
There was no any national judicial machinery to require it.
B.
There was no any centralizing institution to unify the unwritten and variable customs.
C.
There was no any lawyer to apply it.
D.
England was governed by uniform and settled law.
【单选题】Which of the following facts was NOT one of the reasons for the Norman Conquest?
A.
Edward the Confessor had promised William, the Duke of Normandy to be his heir.
B.
William was Edward's cousin.
C.
Harold had not been chosen by the Witan.
D.
Harold was appointed by Edward the Confessor in England.
【单选题】命名羧酸 ( ) 。 a β-丁酮酸 b 3-丁酮酸 c 乙酰乙酸 d 3-氧代丁酸
A.
a、b、c、d
B.
a、c、b、d
【简答题】输入10个整数,输出其中最大的数。输入包含10行,每一行一个整数。请输出读入的10个数中的最大值。请注意行尾输出换行。(使用一维数组解决)
【单选题】Which of the following statements is true of Norman ’ s experience in Paris?
A.
He refused to study modern French painting
B.
He decided to quit painting
C.
He didn ’ t do well in modern French painting
D.
He refused to work for popular magazines
【单选题】Which of the following facts was NOT one of the reasons for the Norman Conquest?
A.
Edward the Confessor had promised William, the Duke of Normandy to be his heir.
B.
William was Edward's cousin.
C.
Harold had not been chosen by the Witan.
D.
Harold was appointed by Edward the Confessor in England.
【单选题】Which of the following is not a background for the development of middle English?
A.
William, the Duke of Normandy conquered England.
B.
The laboring and merchant classes grew in economic and social importance.
C.
Norman nobles of England began to estrange from their French cousins.
D.
Norman nobles adopted a modified English as their native tongue.
【单选题】老年女性最近压力大,为迎接领导工作而担心做不好,难以入睡、易醒,这位老人的心理问题是
A.
焦虑
B.
恐惧
C.
抑郁
D.
自卑
【判断题】铸件中的缩孔是由于合金的液态收缩和凝固收缩得不到金属液的补充而产生的,缩孔的形成与逐层凝固方式有关。
A.
正确
B.
错误
【单选题】When a program starts, students should first ______.
A.
learn how to do research and write papers
B.
have some learning experience
C.
learn about the course concretely and clearly
D.
know how to participate in discussions
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