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【判断题】
设 都是n阶方阵,若有可逆矩阵 使 ,则称 与 是合同的。A.
正确
B.
错误
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【单选题】Yesterday Tom was late for school the heavy rain.
A.
because
B.
because of
C.
as
D.
including
【简答题】Tom was a poor boy. He made a living by cleaning leather shoes for others in the street. Tom was also a clever boy. One day, a very rich man with the name Miser appeared in front of Tom. He watched hi...
【单选题】The railways in China belong to ______, whereas the ones in Japan, to the private..A．the nation
A.
204. The railways in China belong to ______, whereas the ones in Japan, to the private.. A．the nation
B.
the country
C.
the state
D.
the land
【单选题】Tom was very unhappy for _to the party.
A.
having not been invited
B.
not having invited
C.
having not invited
D.
not having been invited
【单选题】在JavaScript中,有关函数的说法错误的是()。
A.
函数是独立主程序，具有特定功能的一段代码块
B.
函数的调用时直接用函数名，并给形参赋值
C.
函数必须使用return语句
D.
函数的命名规则和变量名相同
【简答题】Tom was a poor boy．He made a living by cleaning leather 1 .s _____for others in the street．Tom was also a 2. b _____boy．One day，a rich man 3. n _______Miser appeared in front of Tom． He watched his 4 ...
【单选题】—Tom was scolded for coming late for school by the teacher. — , for he always comes late.
A.
It depends
B.
At your service
C.
Congratulations
D.
It serves you right
【简答题】加拿大
【单选题】Certain dangerous goods are ________ to be too dangerous to be carried by air.
A.
limited
B.
refined
C.
considered
D.
taken
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