Hemingway spoke highly of such _____ as loyalty, courage and determination known by human beings in his work.
A. features
B. appearances
C. virtues
D. characteristics
The trend of brain drain does the developing countries _____degrees of harm.
A. diver
B. diversify
C. diverse
D. diversity
She is concerned that allowing euthanasia(安乐死)would _____the need for care and consideration of a wide range of people.
A. undertake
B. underlie
C. underestimate
D. undermine
The new building looks odd and does not seem to be in _____ with its surroundings.
A. coincidence
B. harmony
C. uniform
D. alliance