41. The word “techies” (Line 4, Para 1) probably refers to those who are ___.

　　A. afraid of technology B. skilled in technology

　　C. ignorant of technology D. incompetent in technology

　　42. Many people may have deliberately helped Kyle because they ___.

　　A. were impressed by his creativity B. were eager to identify with his motto

　　C. liked his goal announced in advance D. hoped to prove the power of the Internet

　　43. The Internet barter system relies heavily on ___.

　　A. the size of barter sties B. the use of virtual currency

　　C. the quality of goods or services D. the location of trading companies]

　　44. It is implies that Internet advertisements can help ___.

　　A. companies make more profit B. companies do formal exchanges

　　C. media register in statistics D. media grade barter sites

　　45. Which of the follow is true of QL2 according to the author?

　　A. It is criticized for doing business in a primitive way.

　　B. It aims to deal with hyperinflation in some countries.

　　C. It helps get rid of middlemen in trade and exchange.

　　D. It is intended to evaluate the performance of trading partners.