[单项选择]Biometric technology is less reliable because______.

[单选题]题目 20
--Three-D printing technology could be used to build a house in less than 24 hours. --It ( )
Amazing. It’s my first time to get to know the news.
A. looks
B. smells
C. sounds
D. tastes

[单项选择]The most reliable and convenient identification method in present use is ______.


A. signatures
B. photographs
C. fingerprints
D. magnetic stripes

[单项选择]Why does VOIP cost less


A. Because it uses separate service providers.
B. Because it needs less working stuff to offer service.
C. Because service is provided through e-mail.
D. Because service is charged monthly.

[单项选择]Telecommuting is less environmentally friendly than office-based work.

[单项选择]A) essential C) reliable
B) available D) responsible


A. essential
B. available
C. reliable
D. responsible

[单项选择]Telecommuting is much less expensive than commuting to work every day.

[单项选择]Why is scientific training becoming less attractive to U. S. students


A. Because the U. S. students are unwilling to face the competitions between them and foreign students.
B. Because it is not so rewarding in this career path as before due to the increasing amount of students.
C. Because foreign students take up good position in this field for their advantage.
D. Because U. S. students do not think scientific training can help them make a lot of money.

[单项选择]Western Nebraska generally receives less snow than _______ eastern Nebrask


A. A． doesB. inC. it does inD. in it does

[单项选择]German technology conglomerate Siemens showed its new mobile phones


A. at a news conference.
B. at a mobile trade show.
C. at a mobile handset unit.
D. at a mass market.

[单项选择]The rapid development of communications technology is transforming the ______ in which people communicate across time and space.
A. manner
B. mood
C. mission
D. vision

[单项选择]Children from disrupted families are less likely to ______.


A. be thrown into prison
B. commit suicide
C. get divorced latex in their lives
D. be on intimate terms with people

[单项选择]xdenotes the greatest integer less than or equal to x. Isx=1
(1)x＞1
(2)x＜2
A. 条件(1)充分，但条件(2)不充分．
B. 条件(2)充分，但条件(1)不充分．
C. 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D. 条件(1)充分，条件(2)也充分．
E. (E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．

[单项选择]Good technique in medicine means less pain and fewer deaths and, ______ it is our duty to master it.
A. altogether
B. therefore
C. otherwise
D. however

[单项选择]The writer would be less critical if fashion designers placed more stress on the ______ of clothing.


A. cost
B. appearance
C. comfort
D. suitability

[单项选择]Which of the following in Manhattan is less attractive to visitors here


A. The exotica Chinatown.
B. The Theater District around Times Square.
C. The Shopping promenade of Fifth Avenue.
D. The scattered groups of slum children swimming in the pollution.

[单项选择]In the sentence “Consumers bother less with pocket change and are able to use plastic even at tradition- ally cash - only vendors.” ( paragraph 3 ), the word “plastic” has the meaning of _____.


A. credit card
B. plastic bill
C. money
D. check

[单项选择]The application of advanced technology to research in solar energy _________.

[单项选择]

Text 4
The entertainment industry and technology companies have been warring for years over the dazzling ability of computers and the Internet to copy and transmit music and movies.
A crucial battle ended this week with a ruling by America’s Supreme Court in favour of copyright holder and against two companies that distribute peer-to-peer (P2P) software, which lets users share files online with others. The court’s decision, though ostensibly a victory for content providers, is. nevertheless unlikely to stamp out file sharing—much of which will continue from outside America—or stop the technological innovation that is threatening the current business models of media firms.
The court was asked to decide whether two firms, Grokster and StreamCast, were liable for copyright infringement by their customers. Two lower courts had said that the firms were not liable, citing a 1984 ruling in favour of Sony’s Betamax video record
A. Copyright, to Be Protected Urgently.
B. The Pro-copyrightholder Verdict, a True Victory
C. Piracy out of Control.
D. Tech Firms, How Far to Go