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【多选题】
假设某企业的记账本位币是美元,那么其发生的下列交易中不属于外币交易的有( )。A.
以美元支付生产工人工资
B.
以人民币购买一项专利权
C.
在证券市场上购入以美元计价的股票，作为交易性金融资产
D.
销售一批商品，以美元标价和结算
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举一反三
【多选题】下列有关频率域图像处理的说法正确的是____。
A.
频率域图像处理以傅里叶变换为基础，也即先通过傅里叶变换把图像从空间域变换到频率域，然后用频率域方法对图像进行处理，处理完后再利用傅里叶反变换把图像变换回空间域。
B.
一幅图像的灰度平均值可由DFT(离散傅里叶变换)在原点处的值求得。
C.
一幅大小为M×N的图像，其图像傅里叶频谱关于(M/2，N/2)的对称。
D.
傅里叶变换可将空间域中复杂的卷积运算转化为频率域中简单的乘积运算，对于某些在空间域中难于处理或处理起来比较复杂的问题，可达到简化处理和分析的目的。
【简答题】You
should spend about 20 minutes on this task. The charts A and
B show the share of the UK and Australian cinema market in 2001 and cinema
admission in the UK and Australia from 1976 to 2006. Write a...
【单选题】证券公司从事自营业务,应当遵守的规定()。I.真实、合法的资金和账户II.业务隔离III.明确授权IV.风险监控
A.
Ⅰ.Ⅱ.Ⅳ
B.
Ⅰ.Ⅲ.Ⅳ
C.
Ⅰ.Ⅱ.Ⅲ.Ⅳ
D.
Ⅰ.Ⅱ.Ⅲ
【简答题】什么叫燃烧、燃点？燃烧的基本条件是什么？
【单选题】Draft 2 Members of Tribewanted.com have collaborated to create virtual and real-life communities all over the world. The founders of the website are Ben Keene and Mark James. In 2006 , James came up w...
A.
a. deleted unrelated information
B.
b. corrected a verb form
C.
c. added a concluding sentence
D.
d. added details to explain an idea
【单选题】Draft 2 Members of Tribewanted.com have collaborated to create virtual and real-life communities all over the world. The founders of the website are Ben Keene and Mark James. In 2006 , James came up w...
A.
a. deleted unrelated information
B.
b. corrected a verb form
C.
c. added a concluding sentence
D.
d. added details to explain an idea
【简答题】听力原文：In 1986, there were over 40 million computers in the world, while by 2006, that number climbed to about 800 million—a twenty-fold increase in two decades. (52)
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