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.
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.
According to Alan Paller, we can learn that
A. 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.
目标利润管理通过利润指标的确定，为企业的经营确立了奋斗目标。()
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