题目内容

Complete the sentences with the words or phrases from Exercise 1. Change the form if necessary.1. The company announced a trading ________ of $2 million for 2008.2. Everyone in the class is expected to __________ in these discussions.3. The price increases were passed on by the firm to the ___________ .4. The judge’s son hopes to enter the ________ profession.5. A(n)__________ charge is made for heavy baggage.6. The talks will be attended by all ________ .7. May I take this _________ to thank you all for coming?8. First he ___________ painting birds and later in writing about them.9. The battery I bought is of the wrong size—I wonder if the shop will __________ it.10. They ________ wheat to Russia and import silk from Japan.

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BobFelix, are we planning to go to the New Directions Book Fair this year?FelixYes, I think so. It’s always a good event. We usually make lots of new contracts. When is it?BobIt’s (1) _______ June this year. It’s (2) _______ Thursday and Friday the 21st and 22nd.FelixOh, just a second. Aren’t we going to Helsinki that week?BobNo, the Helsinki conference is (3) ___________ July.FelixOh yes, that’s right. Fine, let’s go to the Book Fair.BobThere’s a special reception (4) __________ the 21st.FelixIs it (5)______ lunchtime?BobNo, it’s (6)_____ the evening (7) _____ 8 o’clock.FelixSounds great! Can you get everything organised?BobNo problem. I’ll confirm our attendance

以下关于Python二维数据的描述中,错误的是:

A. CSV文件的每一行是一维数据,可以用列表元组表示
B. 从CSV文件获得数据内容后,可以用replace( )来去掉每行最后的换行符
C. 若一个列表变量里的元素都是字符串类型,则可以用join( )合成字符串
D. 列表中保存的二维数据,可以通过循环用writelines( )写入CSV文件

以下关于文件的描述中,错误的是:

A. 文件是存储在辅助存储器上的一组数据序列, 可以包含任何数据内容
B. 可以使用open( )打开文件,用close( )关闭文件
C. 使用read( )可以从文件中读入全部文本
D. 使用readlines( )可以从文件中读入一行文本

以下关于文件的描述中,正确的是:

A. 使用open( )打开文件时,必须要用r或w指定打开方式,不能省略
B. 采用readlines( )可以读入文件中的全部文本,返回一个列表
C. 文件打开后,可以用write( )控制对文件内容的读写位置
D. 如果没有采用close( )关闭文件,Python程序退出时文件将不会自动关闭

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