【答案解析】To gibber (chatter foolishly) is to speak without sense. To vacillate (waver) is to act without resolution (firmness of resolve). (Antonym Variant)
单选题
UPROARIOUS : AMUSING ::
【正确答案】
D
【答案解析】Something uproarious is by definition extremely amusing. Something repugnant is by definition extremely disagreeable.
(Degree of Intensity)
单选题
To a person______natural history, his coun-try or seaside stroll is a walk t,hrough a gallery filled with wonderful works of art, nine-tenths of which have their faces turned to the wall.
【正确答案】
B
【答案解析】If nine-tenths of the works of art in the gallery have their faces turned to the wall, then the visitor to the gallery has no clue whatsoever to what wonders they contain. Similarly, a per-son uninstructed in natural history wanders through the world with no clue whatsoever to nine-tenths of the natural wonders that sur-round him.
单选题
A ______ of recent cases of scientific fraud in which gross errors of fact and logic have slipped past the review panels that scrutinize submissions to journals suggests that the review system is seri-ously
【正确答案】
D
【答案解析】A spate or flood of examples of fraud suggests that the review system intended to catch such frauds is severely taxed or burdened.
单选题
PRECIPITATE:
【正确答案】
D
【答案解析】The opposite of precipitate or hasty is dilatory or tardy.
Think of "a precipitate departure."
单选题
TORTUOUS:
【正确答案】
B
【答案解析】The opposite of tortuous or winding is direct. Beware eye-catchers. Tortuous has nothing to do with torture.
Think of "a tortuous mountain road."