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【单选题】
已知X=+0.1011,Y=-0.1010,则X+Y=( )
A.
-0.0110
B.
+0.0001
C.
-0.1111
D.
+0.0101
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【判断题】设置桌面背景的过程 是 控制面板 ——个性化,弹出个性化对话框,选择“桌面背景”选项
A.
正确
B.
错误
【简答题】设置桌面背景的过程
【单选题】区分淀粉和蛋白质溶液可用下列哪一种试剂
A.
碘试剂
B.
乙醚溶液
C.
金属钠
D.
溴水
【单选题】The old man could hardly read or write, ______? [     ]
A.
can he
B.
can't he
C.
could he
D.
couldn't he
【简答题】设置桌面背景的过程
【判断题】WindowsXP中,通过设置显示属性的功能可以设置桌面背景、屏幕保护程序和屏幕分辨率等。()
A.
正确
B.
错误
【单选题】IP地址中,我们通常在内网中使用私有地址且在外网使用时不需向CNNIC注册的P地址是
A.
10.188.39.2
B.
172.32.19.1
C.
192.186.48.100
D.
219.168.99.23
【简答题】John is 6 years old. He can read and write very well, but he can't tell time. He doesn't say 'eight o'clock', 'twelve o'clock' or 'four o'clock in the afternoon'. He says 'breakfast time', 'lunchtime'...
【简答题】完形填空。 Spring Festival is the Chinese New Year's Day. It usually comes 1 February.Everyone in China 2 Spring Festival very much. When Spring Festival 3 ,Li Hong usually 4 his parents clean their house ...
【简答题】This spring, the H7N9 virus(病毒)hit China. This brings the total number of H7N9 cases to 124 in China. So far, 23 people have died. Most of the patients seemed to have the common flu.Other patients had...
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