buying it 可知有的网店也支持顾客评论商品，所以你可以在买东西之前看到别的顾客对商品的评价。

22．From the text we can know that ________.

A．customers needn't have a user name to buy something online

B．customers must give their emails as well as their phone numbers

C．customers should be careful with their credit cards when shopping online

D．once customers put the products in their"shopping carts"，they can't change them

答案　C

解析　细节理解题。根据第三段When you go for real­world shopping，you can actually touch and feel it，but in online shopping you can only see the pictures.Also if you are shopping online，you have to be careful with your credit cards.可知网上购物我们摸不到也看不到，只能看见商品的图片；由此可判断在网购的时候，我们应该在付钱的时候小心谨慎一点。

23．The second paragraph mainly tells us ________.

A．people can do online shopping at their own homes

B．the things people can buy in online shops

C．the advantages people can have through online shopping

D．people can know different opinions of customers

答案　C

解析　推理判断题。第二段主要讲述了你可以在网上买任何东西，也可以随时在网上买东西；而且还可以在网上购物之前看看别的顾客的评论来判断自己买不买。由此可判断此段中讲述的是网购的优点。

Working at home is increasing in popularity as a means of escaping from nine­to­five office life.Why do you work under the constant watch of your boss when you can work in front of the TV in your carpet slippers？Armed with all the office essentials-telephone，computer，e­mail and fax，many workers believe they can work as effectively as their colleagues in the office.Being able to work wherever you like：from a busy city to a beautiful village，and make working from home an attractive choice，you can even work on a canal boat，like one Internet firm in the Midlands，US.

So what will become of the office of tomorrow？I believe it is likely that many could disappear into cyberspace.To minimize office overheads in inner­city areas，companies will apply a workforce made up of a network of home workers linked by an advanced communication and