一列火车以10m/s的速度沿平直铁路匀速行驶，刹车后以大小为0.2m/s2的加速

空气中的氮气含量为（）%（v）。

A、75

B、78

C、85

D、90

SDH网管通常有哪几类管理功能？

3个______是0.03.0.06里面有______个0.001．

阅读理解

     The Internet and advances in technology are transforming fashion, making it easier for designers to

create collections and less expensive for them to show and sell their work, experts say.

      Instead of spending tens of thousands of dollars on a show at New York Fashion Week, some

designers presented collections for spring and summer 2010 online, while others are expanding their

brand by making it easier for shoppers to buy their clothes online.

     "It is the technology that is changing our lives, "said Designer Norma Kamali, who displayed her

spring and summer 2010 collection as well as exclusive lines(专卖品) for eBay Inc and Walmart.com

at the Apple store in Manhattan's Soho Neighborhood.

     Kamali's iPhone application has a"Try Before You Buy"option, which allows clothes to be sent

overnight to a customer, who provides her credit card information, so she can try them on at home

before deciding to buy.

     Menswear designer Miguel Antoinne and womenswear designer Marc Bouwer both put on virtual

fashion shows, while models at fashion designer Vivienne Tam's show carried a laptop computer

adorned with a Tam design.

     Mazdack Rassi, cofounder and creative director of Milk Studios, a downtown space that showed

about 70 collections during New York Fashion Week, was considering projecting shows on the side

of a building so people at a nearby park could watch.

     With cable TV and the Internet, designers know that their shows can be seen by many more people

than just the editors and the media who attend.

     Designers are finding that technology can also help the actual design work by allowing artists to

explore new ideas and processes.

     But Simon Collins, the dean of fashion at Parsons-the new school for design, said even though

technology is helpful, there is still no substitute for talent and hard work."Absolutely, there'll be people

out there that have successful businesses that don't know the first thing about draping and construction,

just think it up, put it on the computer, fire it off the factory and it works, "Collins said."But they're the

exception, not the rule."

1.According to the passage, one advantage of the Internet is that it allows the designers to    ___.

A. share their collections with other designers

B. display their work at a lower cost than usual

C. get information about the popular fashion trend

D. inform the editors and the media of their collections

2.Which of the following is TRUE about Kamali?

A. She's aware of the importance of the Internet.

B. She's strongly against buying clothes online.

C. She thinks highly of New York Fashion Week.

D. She' s running a "Try Before You Buy" website.

3.We can infer from the passage that   ___.

A. it's difficult to become a wellknown designer

B. it's very dangerous to do online shopping now

C. few people pay attention to virtual fashion shows

D. designers are struggling to promote their shows

4.According to the passage,    ___values people's natural gift and hard work.

A. Norma Kamali    

B. Miguel Antoinne

C. Mazdack Rassi    

D. Simon Collins

5.The purpose of the writing is to   __ .

A. celebrate the success of New York Fashion Week

B. stress the important role of the Internet and technology in fashion

C. introduce the activities in New York Fashion Week

D. advertise New York Fashion Week on the Internet

《骆驼祥子》中的祥子不拉刘四爷的车却能住在人和厂的原因是什么（）

A.想招祥子为女婿

B.祥子很勤劳，常帮刘四爷干活

C.虎妞爱上了祥子

D.祥子死皮赖脸硬要住