However, scientists say that the scale of CO2 emissions will require vast amounts of long-term storage. Some propose storing the CO2 in coal mines or liquid storage in the ocean, Shell favors storing CO2 in deep geological structures such as saline(盐的) formations and exhausted oil and gas fields that exist throughout the world.

注意：此部分试题请在答题卡2上作答。

47. What are suggested as renewable and less-polluting energy alternatives?

48. What does the author say is a forward thinking strategy concerning the reduction of CO2 emissions?

49. One way of handing the captured CO2 as suggested by the author is to store it and__________.

50. Through using CO2, Dutch farmers have been able to__________.

51. Long-term storage of CO2 is no easy job because of__________.

Section B

Directions : There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You should decide on the best choice and mark the corresponding letter on Answer sheet 2 with a single line through the centre.

Passage One

Questions 52 to 56 are based on the following passage.

As anyone who has tried to lose weight knows, realistic goal-setting generally produces the best results. That's partially because it appears people who set realistic goals actually work more efficiently, and exert more effort, to achieve those goals.

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