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【判断题】
羽毛枫早春嫩叶暗绿色,成长橙红色,艳红。
A.
正确
B.
错误
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【单选题】函数在点x。处连续,是在该点x。处可导的( )条件
A.
充分,但不必要
B.
必要,但不充分
C.
充分必要
D.
既不充分也不必要
【单选题】存储器容量通常以能存储多少个二进制信息位或多少字节来表示,1个字节是指几个二进制信息位( )。
A.
16
B.
8
C.
7
D.
2
【单选题】1KB表示____。
A.
1000个二进制信息位
B.
1024个二进制信息位
C.
1000个字节
D.
1024个字节
【判断题】AirPix is an informational non-visual user intece.
A.
正确
B.
错误
【单选题】Before 1850s, what was an American college used for?
A.
Firming students' Christian faith.
B.
Teaching the traditional courses.
C.
Creating knowledge and passing it on.
D.
Shaping students' moral character.
【单选题】每个图形汉字的交换码均用两个字节的低位二进制码表示,每个字节的最高位分别用()表示。
A.
0,0
B.
0,1
C.
1,0
D.
1,1
【多选题】影响硬化后混凝土的力学性能有( )。
A.
水泥强度
B.
集料性质
C.
养护条件
D.
龄期
【单选题】Flats were almost unknown in Britain until the 1850s when they were developed, along with other industrial dwellings, for the laboring classes. These vast blocks were plainly a convenient means of eas...
A.
they were principally built for those families with several servants
B.
people were not conscious of the crowded housing of the less well-to-do
C.
there was increasing concern over accommodation for the poor
D.
people became conscious of the social needs of the rural population
【简答题】The theory of evolution by natural selection was put forward in the 1850s independently by two men. One was Charles Darwin; the other was Alfred Russel Wallace. Both men had some scientific background...
【单选题】存储器容量通常以能存储多少个二进制信息位或多少个字节来表示,1个字节是指个二进制信息位。
A.
7
B.
8
C.
16
D.
2
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