2016年6月英语4级的段落匹配关于食物短缺的真题和答案？

36. The more recent steep climb in grain prices partly results from the fact that more and more people want to consume meat products.

[F]

37. Social order is breaking down in many countries because of food shortages.

[K]

38. Rather than superpower conflict, countries unable to cope with food shortages now constitute the main threat to world security.

[C]

39. Some parts of the world have seen successful implementation of family planning.

[L]

40. The author has come to agree that food shortages could ultimately lead to the collapse of world civilization.

[B]

41. Increasing water shortages prove to be the biggest obstante to boosting the world's grain production.

[H]

42. The cost for saving our civilization would be considerably less than the world's current military spending.

[M]

43. To lower domestic food prices, some countries limited or stopped their grain exports.

[J]

44. Environmental problems must be solved to case the current global food shortage.

[L]

45. A quarter of this year's American grain harvest will be used to produce bio-fuel for cars.

[G]