A．A team manager must set very clear and high objectives．
B．Teams must consist of members from different cultures．
C．Team members should be knowledgeable and creative．
D．A team manager should develop a certain set of skills．
A．It is a platform for sharing ideas on teaching at the University of Illinois．
B．It was mainly used by scientists and technical people to exchange text．
C．It started off as a successful program but was unable to last long．
D．It is a program allowing people to share information on the Web．
A．He visited a number of famous computer scientists．
B．He met with an entrepreneur named Jim Clark．
C．He sold a program developed by his friends．
D．He invested in a leading computer business．