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【单选题】
以下关于共产主义的论述不正确的是( )A.
共产主义是一种学说
B.
共产主义是一种现实运动
C.
共产主义是渺茫的
D.
共产主义是社会理想
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【简答题】How much does it cost to get to 214 Street by taxi?
【单选题】We are seeking a prime minister, ______ who will devote himself to the interest of the country.
A.
he
B.
him
C.
that
D.
one
【单选题】How much does it cost to mail the postcard to England?
A.
$2.25
B.
$1.26
C.
$2.26
D.
$1.25
【单选题】Several studies of friendship have indicated that in seeking friends we ______.
A.
are looking for sympathy
B.
insist on their having similar attitudes to ourselves
C.
think they resemble us more than they really do
D.
want to be flattered
【单选题】Studies of friendships have indicated that in seeking friends we ______.
A.
want to be flattered
B.
are looking for sympathy
C.
think they resemble us more than they really do
D.
insist on them having similar attitudes to ourselves
【简答题】有一个虚存系统,某进程占用 3 个内存块,开始时内存为空,执行如下访问页号序列后: 0 , 1 , 2 , 3 , 1 , 4 , 1 , 2 , 5 , 1 , 2 , 3 , 4 , 5 (1) 采用先进先出( FIFO )淘汰算法,缺页次数 (1) 是多少? (2) 采用最近最少使用( LRU )淘汰算法,缺页次数 (2) 是多少? (3) 若用最优( OPT )算法,缺页次数(3)是多少?
【简答题】有一个虚存系统,某进程占用 3 个内存块,开始时内存为空,执行如下访问页号序列后: 5 , 0 , 1 , 2 , 0 , 3 , 0 , 4 , 2 , 3 , 0 , 3 , 2 , 1 , 2 , 0 , 1 , 5 , 0 , 1 (1) 采用先进先出( FIFO )页面置换算法,面页置换次数 (1) 是多少? (2) 采用最近最久未使用( LRU )页面置换算法,面页置换次数 (2) 是...
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