问题 单项选择题

下列哪种方式是将试样解热到熔点以下某一温度(一般控制在制品使用温度以下10~20℃,或热变形温度以下10~20℃为宜),以等温或缓慢变温的方式使结晶逐渐完善化的过程。()

A、淬火

B、退火

C、热处理

D、结晶

答案

参考答案:B

阅读理解

  “Who needs a shopping mall if you have Taobao ?” says Wang Lin, 28, a writer in Beijing. She spends lots of money on Taobao. It is well-known Taobao, China’s largest online shopping site, has become an important part of our life.

A large number of Chinese Internet users like Wang have found the joy of online shopping. Most online shoppers are students or young workers. More women shop online than men. Clothing and home use products (产品) are the most popular online.

It is said that more than 250 billion yuan was spent on online shopping last year, 80% through Taobao. Taobao means ‘looking for treasure(财富)’ in Chinese. People can find almost everything they need on Taobao, from clothes to books, from candies to DVD players.

You may question the safety online shopping. Wang Lin said, ‘It is very safe and convenient (便利).If you receive the products from the sellers and you aren’t ②             them, the shop owner will not get the money. You can also get your money back if you want to return the product.’

小题1:将①处译成汉语。

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小题2: 在②处填上适当词使文章完整。___________ ___________       

小题3:What is the most popular products when people spends lots of money on Taobao?

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小题4:找出与下列句子意思相同的句子。

They say that people spent 250 billion yuan doing some shopping on the Internet last year.

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小题5: 找出本文的主题句。

判断题