单项选择题

According to the passage, it was Dr. W. 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

<上一题目录下一题>

热门试题

单项选择题

Which of the following does this passage mainly discuss

A．The application of bionics.
B．The first "open heart" surgery.
C．The development of the artificial heart.
D．The future of applied bionics.

单项选择题

The control of artificial devices is improving because _____________.

A．video signals can be transformed into light patterns
B．bionic machines have existed for centuries
C．artificial devices such as arms, legs and eyes require better control than bionic machines
D．science has made great advances in electronics