2018考研英语一真题和答案完整版.doc

2018考研英语一真题和答案完整版
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 D 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 institution, their brains release oxytocin, a hormone that 6 pleasurable feelings and triggers the herding instruct 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 significantly higher amounts of money to strangers than were their 10 who inhaled something else。
11 for us, we also have a sixth sense for dishonesty 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 container, 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。
1。[A] on [B] like [C] for [D] from
2。[A] faith [B] concern [C] attention [D] interest
3。[A] benefit [B] debt [C] hope [D] price
4。[A] Therefore [B] Then [C] Instead [D] Again
5。[A]Until [B] Unless [C] Although [D] When
6。[A] selects [B] produces