重庆全善中学月考试卷答案
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1、计算机能直接识别和执行的语言是()
A.机器语言
B.高级语言
C.汇编语言
D.数据库语言
答案:A
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2、Which of the following statements lead to vitamins deficiency?
A、Insufficient intake
B、Decreased absorption and utilization
C、Increased vitamin requirements
D、Excessive consumption
答案:B12
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3、Which of the following situation is suitable for breastfeeding?
Which of the following is an appropriate title for this passage?
A.Breastfeeding May Enhance Babies' Chances of Survival
B.Breastfeeding May Lower Moms' Diabetes Risk
C.Breastfeeding May Become Very Fashionable in Near Future
D.Breastfeeding May Help Women Lose Weight
请帮忙给出正确答案和分析,谢谢!
答案:B
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4、计算机系统中采用Cache存储器的主要目的是()
A.增大容量
B.提高速度
C.降低价格
D.既提高速度又降低价格
答案:B
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5、若输入流水线的指令既无局部性相关,也不存在全局性相关,则()
A.可获得高的吞吐率和效率
B.流水线的效率和吞吐率恶化
C.出现瓶颈
D.可靠性提高
答案:A
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6、间接二进制n方体网络是一种()
A.多级混洗交换网络
B.单级立方体网络
C.多级全排列网络
D.多级立方体网络
答案:C
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7、计算机中常用的输出设备有()
A.显示器,打印机和绘图仪
B.显示器、键盘和打印机
C.扫描仪、打印机和显示器
D.显示器、打印机和数字化仪
答案:A
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8、流水线的技术指标不包括()
A.响应比
B.吞吐率
C.加速比
D.效率
答案:A
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9、下列关于铅盐的说法不正确的是
A、硫化铅可溶于王水、双氧水、浓硝酸、稀盐酸
B、硫酸铅易溶于浓硫酸
C、铬酸铅可溶于过量的强碱
D、氯化铅易溶于热水和浓盐酸
答案:硫化铅可溶于王水、双氧水、浓硝酸、稀盐酸
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10、The trial balance of Highwood Co at 31 March 20X6 showed credit balances of $800,000 on current tax and $2.6 million on deferred tax. A property was revalued during the year giving rise to deferred tax of $3.75 million. This has been included in the deferred tax provision of $6.75 million at 31 March 20X6. The income tax liability for the year ended 31 March 20X6 is estimated at $19.4 million. What will be shown as the income tax charge in the statement of profit or loss of Highwood at 31 March 20X6?
A、$19.4million
B、$19 million
C、$13.5million
D、$13million
答案:$19 million
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11、叠音词是单纯词,重叠词是合成词。
答案:错误
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12、乙硼烷中四个B-H 键在同一水平面上,两个3c-2e键位于水平面上下与水平面垂直。
答案:正确
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13、_____不属于计算机模拟的特点
A.用机器语言解释实现程序移植
B.灵活性大
C.提高速度
D.效率低
答案:C
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14、下列情况不属于系统误差的是
A:容量瓶未经校正
B:所用试剂中含有干扰离子
C:天平两臂不等长
D:砝码读错
答案:砝码读错
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15、既易溶于氢氧化钠又易溶于氨水的是
既易溶于稀氢氧化钠又易溶于氨水的是
(A) Cu(OH)
2
; (B) Ag
2
O; (C) Zn(OH)
2
; (D) Cd(OH)
2
。
答案:C
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