[填空题]The average life expectancy in 21 st century will be______.

[填空题]The average life expectancy in 21 st century will be______.

[单项选择]The average life expectancy of ancient Egyptians is about ______.
A. 32
B. 37
C. 50
D. 60

[填空题]It’s a fact of life in the 21st-century workplace: The boss may well be watching his employees, especially if they use a computer. Bosses are using two types of spying software: network-based programs that monitor all traffic passing through a system, and programs that sit directly on an employee’s desktop.
Vericept Protect is an example of the first type. The software searches all correspondence for any indication that employees are accidentally or maliciously communicating sensitive data, and blocks it. Vericept also claims it can examine the tone of an e-mail to detect job dissatisfaction. Someone who sends a message saying "I hate my job." or "You’re not going to believe what my idiot boss did today." could be poised to upload company files in anticipation of leaving the job.
Vericept makes products to monitor other Web activities as well. Paul Pilotte, a senior product manager at the company, says it helped one client fend off a harassment suit filed by a senior empl

[填空题]In what situation, American life expectancy probably ranks in line with New Zealand

[单项选择]Questions 11～13 are based on the following life story about a musician named Itzhak Perlman. You now have 15 seconds to read Questions 11～13.Which of the following words can NOT describe Itzhak Perlman
A. Gifted.
B. Optimistic.
C. Successful.
D. Shy.