7. After briefly ____ the history of the author, Prof. Li turned to the novel itself immediately.
A. dipping in
B. dipping at
C. dipping into
D. dipping to
8.After negotiation, the two countries ____ the terms of peace.
A. agreed with
B. agreed in
C. agreed to
D. agreed on
9. After performing a successful operation, the doctor at last pulled the patient ____.
A. back
B. in
C. up
D. through
10. After reading these books, he was _____ to the Darwinian theory of evolution.
A. changed
B. converted
C. transferred
D. adjusted
11. Airplane and television are among the ____ of science.
A. masks
B. martyrs
C. marvels
D. marrow
12. All experts agree that the most important consideration with diet drugs is carefully ____ the risks and benefits.
A. weighing
B. valuing
C. evaluating
D. distinguishing