下面小编跟大家一起了解考研英语真题练习经验分享，希望对大家的学习有所帮助。
　　Section I Use of English Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B,C or B on the ANSWER SHEET. (10 points)Trust is a tricky business. On the one hand, it's a necessary condition (1) many worthwhile things: child care, friendships, etc. On the other hand, putting your ( 2 ) in the wrong place often carries a high ( 3 ).
　　( 4 ), why do we trust at all? Well, because it feels good. ( 5 ) people place their trust in an individual or an insititution, their brains release oxytocin, a hormone that ( 6 ) pleasurable feelings and triggers the herding instinct that prompts humans to ( 7 ) with one another. Scientists have found that exposure ( 8 ) this hormone puts us in a trusting ( 9 ) : In a Swiss study, researchers sprayed oxytocin into the noses of half the subjects; those subjects were ready to lend significicantly higher amounts of money to strangers than were their ( 10 ) who inhaled something else.
　　( 11 ) for us, we also have a sixth sense for dishonsty that may ( 12 ) us. A Canadian study found that children as young as 14 months can differentiate ( 13 ) a credible person and a dishonest one. Sixty toddlers were each ( 14 ) to an adult tester holding a plastic container. The tester would ask, 'What's in here?' before looking into the contianer, smiling, and exclaiming, 'Wow!' Each subject was then invited to look ( 15 ). Half of them found a toy; the other half ( 16 ) the container was empty - and realized the tester had ( 17 ) them.
　　Among the children who had not been tricked, the majority were ( 18 ) to cooperate with the tester in learning a new skill, demonstrating that they trusted his leadership. ( 19 ), only five of the 30 children paired with the " ( 20 ) " tester participated in a follow-up activity.