单选题 Excitement, fatigue, and anxiety can all be detected from someone's blinks, according to psychologist John Stern (21) Washington University in St. Louis. Stern specialized in the study on these tiny twitches, using them as sensitive (22) of how the brain works. "I use blinks as a psychological measure to make (23) about thinking because I have very little (24) in what you tell me about what you are thinking." He says. "If I ask you the question, 'what does the phrase a rolling stone gathers no moss mean?' you can't tell me (25) you've started looking for the answer. But I can, by watching your eyes."
Blinks also tell Stern when you have understood his question--often long before he's finished asking it--and when you've found an answer or part of (26) . "We blink at times (27) are psychologically important." He says. "You have listened to a question, you understand it, (28) you can take time out for a blink. Blinks are (29) marks. Their timing is tied to what is going on in your (30) ."
Stern has found that (31) suppress blinks when they are absorbing or anticipating (32) but not when they're reciting it. People blink later, for example, (33) they have to memorize six numbers instead of two. "You don't blink," he says, "until you have (34) the information to some short-term memory store." And if subjects are cued (35) the set of numbers is coming, say, five seconds, they'll curb their blinks until the task is (36) . Similarly, the more important the information that people are taking in, the more likely they are to put their blinks on hold for (37) Pilots blink less when they're (38) for flying a plane than when they (39) their eyes from the road to the rearview mirror. But if they see the flashing lights of a state trooper behind them, their (40) will move fast to the speed-meter and back to the mirror.

单选题 A. to B. of C. with D. in

单选题 A. probes B. researches C. microscopes D. pursuits

【正确答案】 C

【答案解析】本题测试词义搭配。probe意为“探针，探测器”，指用于探查伤口或体腔的一种细长、可弯曲的外科医疗器械；research意为“调查，研究”，指学术性或科学的调查或探究；microscope意为“显微镜”，指常用来观察肉眼看不到的物体的仪器；pursuit意为“寻求，追求”。sensitive(灵敏的)修饰所填之词，根据后面的 how the brain works可知，应选C。

单选题 A. pictures B. studies C. conclusions D. inferences

单选题 A. doubt B. question C. inclination D. faith

单选题 A. when B. why C. where D. whom

单选题 A. one B. it C. that D. this

单选题 A. that B. what C. where D. why

单选题 A. but B. how C. since D. now

单选题 A. evaluation B. communication C. punctuation D. consideration

单选题 A. eye B. heart C. head D. question

单选题 A. scientists B. they C. psychologists D. subjects

单选题 A. mind B. memory C. information D. direction

单选题 A. if B. until C. unless D. except

【正确答案】 B

【答案解析】本题测试语法。if引导条件状语从句；until引导时间状语从句；unless引导条件状语从句；except引导条件状语从句。根据后面的they have to memorize six numbers instead of two和下面的You don't blink until you... 可知，所填之词引导的是时间状语从句，所以应选until。