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【简答题】
某一波长的 X 光经物质散射后,其散射光中包含波长大于 X 光和波长等于 X 光的两种成分,其中 的 散射成分称为康普顿散射。
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【单选题】【2013国乙07】 化学无处不在,与化学有关的说法不正确的是
A.
侯氏制碱法的工艺过程中应用了物质溶解度的差异
B.
可用蘸浓盐酸的棉棒检验输送氨气的管道是否漏气
C.
碘是人体必需微量元素,所以要多吃富含高碘酸的食物
D.
黑火药由硫磺、硝石、木炭三种物质按一定比例混合制成
【单选题】广告创意策划的针对性原则是指 :_____ 。 窗体顶端
A.
真实不虚假
B.
注意信息量 , 要提炼广告信息
C.
保证信息流向
D.
有目的性地进行广告传达
E.
注意社会道德民族风俗宗教信仰
【单选题】The cache capacity of a computer storage system is B, each line is 8 bytes, and the direct mapping strategy is adopted. Initially there is no data in the cache and all lines have a valid bit of 0. W...
A.
Data at memory address 0x12 ~ 0x19 is loaded into cache line 1
B.
Data at memory address 0x12 ~ 0x19 is loaded into cache line 2
C.
Load data from memory address 0x10 ~ 0x17 to cache line 1
D.
Data at memory address 0x10 ~ 0x17 is loaded into cache line 2
【多选题】工程项目成本核算的指标体系中,通常采用( )指标反映施工收入。
A.
利润额
B.
分部分项工程费用
C.
工程总造价
D.
利润率
【单选题】You work as an administrator at ABC.com.The ABC.com network consists of a single domain named ABC.com.All servers in the ABC.com domain, including domain controllers, have Windows Server 2012 R2 insta...
A.
You should use an address with the FE80::/ prefix.
B.
You should use an address with the FEC0::/10 prefix.
C.
You should use an address with the 2002::/16 prefix.
D.
You should use an address with the FF02::/48 prefix.
【单选题】进行发动机ECU电源电压测量时,蓄电池电压不低于11V,连接器插接良好,点火开关闭合,( )。
A.
使用高阻抗数字万用表的直流电流档
B.
使用指针式万用表的直流电压档
C.
使用高阻抗数字万用表的直流电压档
D.
使用指针式万用表的直流电流档 注释: A和D肯定是错的,电流表测不了电压。B和C里面高阻抗是一个关键词。测量电压时,高阻抗万用表能提高所测电压的准确度。 多选
【单选题】Matrix's first product is a memory chip—an easier design and manufacturing task than a full-blown microprocessor chip of the sort that provides the guts of a computer. ________________________________...
A.
But, while that solves one problem, it creates another. For such a multistory chip is hard.
B.
But the real principal advantage of matrix's memory chip is cost. The megabyte version, which can hold about two hours-worth of music, costs less than $10.
C.
For this obvious disadvantage, the multi-story chip is still under intensive research and experts say it still takes years before they are successfully marketed.
【单选题】字符‘A’对应的ASCII码的十进制数值为下列哪个选项。The decimal value of ASCII code corresponding to character 'A' is which of the following options.
A.
B.
65
C.
66
D.
67
【简答题】阅读下面短文,在空白处填入 1 个适当的单词或括号内单词的正确形式。 Nezha is the subject of the latest cartoon film, which 61 (official) opened in cinemas in China on July 26. Nezha has got wonderful reviews and is rated higher than ...
【单选题】某企业本月签订两份合同:(1)加工承揽合同,合同载明材料金额30万,加工费10万;(2)财产保险合同,合同载明被保险财产价值1 000万,保险费1万。已知加工合同印花税税率0.5‰,保险合同印花税税率1‰。则应缴纳的印花税为( )万元。
A.
1.015
B.
1.005
C.
0.016
D.
0.006
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