Which of the following is the first step of the bypass operation?
A．Thread up through the aorta to the top of the diseased artery.
B．Push a needle through artery wall into the adjacent vein.
C．Put a special catheter into one of the leg arteries.
D．Block off the vein to allow blood to re-routed.

未分类题It can be concluded that after the new bypass treatment,A．the wire inside the vein widens the channel.B．blood flows in the opposite direction to the former one.C．the starved heart tissue is fed through the previous blood route.D．the patient was implanted with a new electronic heart.

未分类题According to Alan Paller, we can learn thatA．the private companies accepted the idea that their networks will be monitored for the sake of cyber-safety.B．the government proposes that it will not exchange cyber-threat data with the private companies.C．the data-sharing project will not allow the government to survey the private companies' networks.D．the data-sharing project can help the government persuade the private companies to accept some government surveillance.

未分类题The text is mainly talking aboutA．the project raised by the DHS to share cyber-threat data with private companies.B．the conferences on Internet services between the DHS and private companies.C．the cyber-threat to the DHS and private companies.D．the DHS and private companies joining together to fight cyber-threat.

未分类题下面关于发布FLASH电影的说法错误的是：()

未分类题Parents overindulge their children out of a sense of guilt because the parentsA．cannot earn enough money to provide children with material possessions.B．use the material things to make up for the shortage of time with children.C．cannot stand up to their children's unreasonable demands.D．vacillate between feeling guilty and being too strict.