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【简答题】
A. 对一个session来说我们描述正确是( ) B. 服务器为每一个浏览器分配一个session,但session不会在浏览器关闭的时候销毁。只有过期或服务器关闭销毁 C. 以上都不对 D. 一个session不对应一个浏览器,一台计算机只有一个session
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【单选题】— Did Jim ride his bike to school this morning? — He _____ come to school by bike. He hasn't found his bike yet. [     ]
A.
may
B.
mustn't
C.
can
D.
can't
【多选题】关于产权比率,下列说法正确的有()
A.
它是衡量偿债能力的指标
B.
产权比率不宜过高,也不宜过低
C.
一般应小于1
D.
与资产负债率具有共同的经济意义
E.
一般应大于1
【单选题】下列计算机存储器中,读写速度最快的是
A.
内存
B.
硬盘
C.
光盘
D.
软盘
【单选题】下列关于产权比率的说法不正确的是( )。
A.
该指标反映企业基本财务结构是否稳定
B.
产权比率高,是高风险、高报酬的财务结构
C.
产权比率越高,表明企业的长期偿债能力越强
D.
该指标表明债权人投入的资本受到股东权益保障的程度
【单选题】下列计算机存储器中,读写速度最快的是()。
A.
硬盘
B.
内存
C.
光盘
D.
U盘
【单选题】下列计算机存储器中,读写速度最快的是( )。
A.
内存
B.
硬盘
C.
光盘
D.
U 盘
【单选题】2017上: 下列选项中,与“重庆——直辖市”逻辑关系相同的是
A.
法国——法兰西
B.
华盛顿——纽约
C.
英国——联合国
D.
北京市——首都
【单选题】________ arouses his interest can be found in the school library and that is why he goes there ________ happens.
A.
No matter what; whatever
B.
Whatever; no matter what
C.
Anything; no matter what
D.
Anything; whatever
【单选题】The lazy boy got up very late and went to school in a hurry. When he arrived at school, he found
A.
50. The lazy boy got up very late and went to school in a hurry.  When he arrived at school, he found that he had put his socks on _______. A.outside
B.
inside out
C.
side out
D.
back out
【单选题】A student in our school will be immediately sent home if he is found __________ computer games at night.
A.
play
B.
playing
C.
to play
D.
played
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