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【单选题】

E-commerce is the business activity of buying or selling of products by means of online services or over the Internet. Online retailing and electric markets are its two areas.

A.

正确

B.

错误

举报

参考答案：

参考解析：

刷刷题刷刷变学霸

举一反三

【单选题】Java Swing中，JFrame的默认布局管理器是（）。

A.

BorderLayout

B.

FlowLayout

C.

GridLayout

D.

GridBagLayout

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【简答题】In the traditional Chinese culture, ______ beverages are believed to be harmful to the digestion of hot food, so items like ice-cold water or soft drinks are traditionally not served at meal-time.

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【单选题】In 2015, the annual business volume of express delivery in China broke through 20 billion items for the first time and continued to rank first in the world.

A.

正确

B.

错误

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【简答题】As alcohol was considered as sacred liquid in ancient China, it was solely used when people made sacrificial offerings to Heaven and ______.

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【单选题】Chinese food enjoys its prestige in the world for its rich and ______ food styles and there are generally eight cuisine styles in China.

A.

bountiful

B.

luxurious

C.

fruitful

D.

diverse

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【简答题】With its natural fragrance, ______ tea, the oldest kind of tea, is widely welcomed by different people.

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【单选题】Sweet dishes are often ______ when guests have finished their appetizer, staple and beverages. It is usually the final dish.

A.

held

B.

served

C.

put

D.

arranged

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【单选题】以下程序调试结果为（）？//演示事件处理 import java.awt.; import java.awt.event.; public class MyWc extends Frame implements WindowListener{ public static void main(String args[]){ MyWc mwc = new MyWc()...

A.

创建的窗体会关闭掉

B.

编译错误，import语句前不能有注释语句

C.

编译错误

D.

运行无输出

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【单选题】Food style ______ greatly from region to region, especially in a great country like China.

A.

turns

B.

change

C.

differ

D.

varies

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【单选题】以下哪个描绘了下列应用程序的外观（）?import java.awt.*; public class FlowAp extends Frame{ public static void main(String argv[]){ FlowAp fa=new FlowAp(); fa.setSize(400,300); fa.setVisible...

A.

窗体每边有4个标记为One 到 Four的按钮

B.

一个很大的标记为 Four的按钮在正中央

C.

运行时指示没有设置布局管理器的错误

D.

从顶到底有安排有4个标记为One 到 Four的按钮

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