B) irrational D) liable

62. Although many experts agree that more children are overweight, there is debate over the best ways to ____the problem.

　　A) relate C) attach

B) file　 　D) tackle

63. Sadly, as spending on private gardens has____, spending on public parks has generally declined.

A) lifted C) heightened

　　B) flown D) soared

64. It's good to know that quite a few popular English expressions actually ______from the Bible.

　　A) acquire C) result

B) derive D) obtain

65. According to the key witnesses, a peculiarly big nose is the criminal's most memorable facial_____.

　　A) feature C) hint

B) signature D) spot

66. An important factor in determining how well you perform in an examination is the____ of your mind.

　　A) case C) state

　　B) circumstance D) situation

67. Brazil's constitution ____ the military use of nuclear energy.

　　A) withdraws C) objects

　 B) interrupts 　D) forbids

68. Tom, did it ever_____ to you that you would be punished for cheating on exams?

A) strike C) occur

B) happen D) reflect

69. Lung cancer, like some other cancers, often doesn't produce____ until it is too late and has spread beyond the chest to the brain, liver or bones.

　　A) symbols C) trails