rare/scarce (1) Human activities, to some degree, may destroy the living environment of wild life, especially _____ animals. (2) Vegetables were ________ last year, for there was a serious flood in the summer. (3) He is a person who is strict with himself, so unpunctuality is __________ for him. (4) The protection of water is necessary because it is a _________ resource for many countries in the world.