单项选择题

Passage Two

A. Artificial hearts.
B. Telescopes.
C. Microscopes.
D. Radio telescopes.
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单项选择题
A. Patient.B. Surprised.C. Worried.D. Irritated.

A. Patient.
B. Surprised.
C. Worried.
D. Irritated.
单项选择题
A. Secretary-Boss. B. Client-Lawyer. C. Student-Teacher. D. Patient-Nurse.
A. Secretary-Boss.
B. Client-Lawyer.
C. Student-Teacher.
D. Patient-Nurse.
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