61.In the US,88 percent of smokers had started before they w

61.In the US,88 percent of smokers had started before they were 18,despite the fact that it is____ to sell cigarettes to anyone under that age.
A) illegal C) liberal
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
B) symptoms D) therapies
70.Research shows that there is no____ relationship between how much a person earns and whether he feels good about life.
A) successive C) significant
B) sincere D) subsequent