A. John Austregin B. Henri durant C. Collind wood D. James cook
A. USA B. GERMANY C. SWITZERLAND D. CHINA
A. 5500.3 miles B. 5600.6 miles C. 5300 miles D. 4965.50 miles
A. Steven Wainberg B. Abdus Salam C. S. Lee Glashow D. All of the Above
A. E-mail virus B. Macro virus C. Trojan horse D. Time bomb
A. January 2004 B. February 2004 C. March 2004 D. April 2004
A. Black Fever B. Breakbone Fever C. Plasmodium Fever D. Remittent Fever