The researchers are angry that attempts have been made to trash their work.
A. share
B. appreciate
C. praise
D. criticize
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It was then that the organization finally began to fulfill the hopes of its founders.
A. meet
B. raise
C. achieve
D. express
Researchers have stumbled across a drug that may help patients with Parkinson's disease.
A. imagined
B. discovered
C. tested
D. proved
Most scientists believe it is legitimate to use animals in medical research.
A. reasonable
B. illegal
C. appropriate
D. affordable
The reason he gave for his absence was obviously fabricated.
A. explained
B. understood
C. uncovered
D. invented