46. A) It is simply uninhabitable for most animals.
47. C) stay away from predators.
48. B) they can survive well in salty water
49.? A) They can take refuges in the less salty waters.
50. D) The disruption of Lake Natron’s ecosystem.
51. B) Keep on working.
52. C) They would look upon it with contempt.
53. A) The busier one appears, the more respect one earns.
54. D) The role of knowledge in modern economy.
55.C) Find time to relax however busy we are.
46. A) He used a strangely potent ingredient in a food supplement.
47. C) Many were shipped to Europe in the late 19th century for medicinal use.
48. A) Cocaine had become notorious.
49. D) It has remained virtually unchanged since its creation.
50. A) The evolution of Coca-cola.
51. C) There was a clear divide between large and small cities.
52. D) They have changed America's landscape.
53. D) looked deserted in the evenings
54. C) Modernized housing and improved infrastructure.
55. D) Better job opportunities.
46. A) Whether robots can reach better decisions
47. D) They did not take moral issues into consideration.
48. C) They perform duties in their owners' best interest.
49. A) Abstract concepts are hard to program.
50. C) Robots can have trouble making decisions in complex scenarios.
Passage Two：科技发展；iphone 6s
51. D) The rapid technological progress in a very short period of time.
52. B) The popularization of smart homes.
53. B) Gain automatic control of their businesses.
54. A) How to turn it to profitable use.
55. A) It is feasible with a connection to the internet.
The Pacific island nation of Palau has become home to the sixth largest marine sanctuary in the world.
26. I) permit
27. O) territory
28. F) exclusive
29. C) commercial
30. D) communities
31. E) essential
32. G) independent
33. M) sponsor
34. J) secure
35. N) stocks
In the past 12 months, Nigeria has suffered from a shrinking economy, a sliding currency, and a prolonged fuel shortage.
26. C) emergency
27. D) feeding
28. K) reproduces
29. I) originated
30. G) handful
31. F) halted
32. L) security
33. N) unchecked
34. A) dependent
35. J) reduction
26. O) sparking
27. L) powered
28. H) implemented
29. D) eliminate
30. G) hopeful
31. A) acceptance
32. J) installed
33. B) currently
34. K) noticeable
35. F) futile
第一套：Who's really addicting you to technology?
Research suggests they may study more broadly for the unexpected rather than search for answers.
36. [E] Online services are so designed that the more they are used, the more profit they generate.
37. [L] The author admits using technology as an escape from the task at hand.
38. [I] Checking phones at dinners is now accepted as normal but not belching.
39. [O] To make proper use of technology, we should not only increase our awareness of how it is changing but also how it is impacting us.
40. [B] Most of us find it hard to focus on our immediate tasks because of Internet distractions.
41. [J] When one person starts checking their phone, the others will follow suit.
42. [F] The great majority of smartphone users don’t take the trouble to adjust their settings to suit their own purposes.
43. [D]The Internet is regarded by some as designed to distract our attention.
44. [L] The author attributes his tech addiction chiefly to his habit of putting off doing what he should do right away.
45. [G] White-collar workers check email round the clock because it is required by their employers.
第二套：Data sharing: An open mind on open data.
It is a movement building steady momentum: a call to make research data, software code and experimental methods publicly available and transparent.
[M] 36. Astronomer David Hogg doesn’t think scooping is as serious a problem as generally thought.
[G] 37. Some researchers are hesitant to make their data public for fear that others might publish something similar before them.
[D] 38. Some psychology journals have offered incentives to encourage authors to share their data.
[A] 39. There is a growing demand in the science community that research data be open to the public.
[P] 40. Sharing data offers early-career researchers the chance to build a certain level of reputation.
[L] 41. Data sharing enables scientists to publish each step of their research work, thus leading to more citations.
[B] 42. Scientists hold different opinions about the extent and timing of data sharing.
[O] 43. Potential problems related to data sharing should be made known to and discussed by all participants at the beginning of a joint research project.
[I] 44. Sharing data and handling data-related issues can be time-consuming.
[F] 45. Junior researchers may have no say when it comes to sharing data.
36. E 37.B 38. I 39. C 40.D
41. J 42.F 43. A 44. L 45. G? （网络版）