According to the text, the president admits to some "alternative" method due to ______.
A. charity impulse
B. economic recession
C. domestic booming
D. legal pressure
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Which of followings could be the best title for the text？
A. Take the Lead.
B. Free to Flutter.
C. The Hardest Move.
D. Mind the Gap.
Abiomed's heart distinguishes itself from Jarvik's in that ______.
A. the latter does not need connecting tubes outside the body of a patient
B. the former needs tubes or wires coming out Of patients
C. the latter allows patients to go home and even turn around in bed
D. the former sets patients free due to the fact that there are no tubes or wires coming out of the patients
Which of the followings could be the title-of text？
A. The Stuff of Science Fiction.
B. The History of Artificial Hearts.
C. The Change of Human Donor.
D. A Promising New Artificial Heart.
Which of the followings can be attributed to Dr. Connolly's study？
A. Pay discrimination between male and female scientists.
B. Fewer resources for research by women scientists.
C. The super qualities possessed by male scientists.
D. The role of analyzing the results of a survey.
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