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【单选题】
创建了 Scanner对象scan,以下能正确获取输入数据的是( )A.
i nt s=scan.nextFloat();
B.
float s=scan.nextDouble();
C.
float s=scan.nextInt();
D.
String s=scan.nextInt();
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【单选题】在正项等比数列{a n }中，a 1 和a 19 为方程x 2 -10x+16=0的两根，则a 8 ?a 10 ?a 12 等于（ ）
A.
16
B.
32
C.
64
D.
256
【简答题】已知等比数列{a n }中，a 6 ?a 7 =1，a 10 ?a 11 =16，则a 8 ?a 9 等于______．
【简答题】网络的基本功能有哪些?
【单选题】在正项等比数列{a n }中,a 1 ,a 19 分别是方程x 2 -10x+16=0的两根,则a 8 ·a 10 ·a 12 等于( )
A.
16
B.
32
C.
64
D.
256
【判断题】Thirty-seven years after his sudden death, a lifelike figure of Bruce Lee was unveiled at Madame Tussaud’s wax museum in Hollywood in 2010. He is not only remembered for the movies and TV shows in whi...
A.
正确
B.
错误
【简答题】计算机网络的基本功能有哪些？
【单选题】We don't want all the details now, just the____picture.
A.
overall
B.
specific
C.
special
D.
detailed
【判断题】Thirty-seven years after his sudden death, a lifelike figure of Bruce Lee was unveiled at Madame Tussaud’s wax museum in Hollywood in 2010. He is not only remembered for the movies and TV shows in whi...
A.
正确
B.
错误
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