This passage might be found in which of the following
A children's textbook.
B. An editorial in a newspaper.
C. A sociology textbook.
D. A political platform.
According to the passage, it was Dr. Lillehei that ______.
A. first developed applied bionics
B. was the first to operate on the heart of a patient
C. developed the artificial heart
D. used more sophisticated methods to do "open heart" surgery
26（）
A. on
B. for
C. to
D. from
23（）
A. rapid
B. soon
C. sooner
D. fast
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