[填空题]Security is als0 a big concern as Bluetooth technology has an essence of _______________.

[填空题]Security is also a big concern as Bluetooth technology has an essence of______.

[填空题]One security mode offered by Bluetooth is that data may be exchanged freely among the de- vices Bluetooth users establish as _______________.

[单项选择] Patricia Russo was now hired back to Lucent Technologies as president and chief executive to dazzle (使惊讶，使惊奇) Wall Street. She is widely regarded as a capable, "safe pair of hands," who will reassure shareholders, customers and employees as Lucent accelerates its radical restructuring. As one of the founding executives who launched Lucent out of AT&T in 1996, she has returned home to guide her old company through its most turbulent times. Patricia knows Lucent’’s business, industry, customers and management team. She has the gift to reach the hearts and minds of people, crucial in phase when people must stay on course. She understands customers’’ needs and has demonstrated a willingness for changes. Not only does she know the telecom industry, she is also a turnaround (转向) expert. From 1992-1996, Russo was president of AT&T Business Communication Systems, which has since been spun off as Avaya Inc. According to Schcht, Lucent’’s chairman, Avaya had been losing hundreds of mill
A. Russo is able to steer the company’’s turnaround by inspiring her management team to work together as a team.
B. Russo knows telecom industry and customers well.
C. She gives people gifts to touch their hearts and minds.
D. Russo authorizes people to undertake challenges.

[单项选择]This election year, the debate over cloning technology has become a circus -- and hardly anybody has noticed the gorilla hiding in the tent. Even while President Bush has endorsed throwing scientists in jail to stop ’"reckless experiments", it’s just possible the First Amendment will protect researchers who want to perform cloning research.
Dr. Leon Kass, the chairman of the President’s Council on Bioethics, would like to keep that a secret. "I don’t want to encourage such thinking," he said. But the notion that the First Amendment creates a "right to research" has been around for a long time, and Kass knows it. In 1977, four eminent legal scholars -- Thomas Emerson, Jerome Barron, Walter Berns and Harold P. Green -- were asked to testify before the House Subcommittee on Science, Technology and Space. At the time, there was alarm in the country over recombinant DNA. Some people feared clones, designer babies, a plague of superbacteria. The committee wanted to know if the federal g
A. identical.
B. similar.
C. complementary.
D. opposite.

[填空题]

What does business concern usually do