58.It is clear that the dog has a much greather_____of its brain devoted to smell than is the case with humans.
A) composition
B) compound
C) proportion
D) percent

59.The is already clear _______to show that plants and animals are being affected by climate change.
A) witness
B) evidence
C) identuty
D) certification

60.Mnumerous studies already link the first meal of the day to better classroom_______.
A) function
B) behavior
C) performance
D) display

61.In the US,88percent of smokers had started before they were 18 .despite the fact that it is _________ to sell cigarettes to anyone under that age.
A) illegal
B) irrational
C) liberal
D) liable

62.Although many experts agree that more children are overweight,there is debate over the best way to_______the problem.
A) relate
B) file
C) attach
D) tackle

63.Sadly,as spending on private gardens has _______.spending on public parks has generally declined.
A)lifted
B) flowm
C) heightened
D) soared

64.It's good to know that quite a few popular English expressions actually________from the Bible.
A) acquire
B) derive
C) result
D) obtain

65.According to the key witnesses, a peculiarly big nose is the criminal's most memorable facial_________.
A) feature
B) signature
C) hint
D) spot

66.An important factor in determing how well you perform in an examination is the___________of you mind.
A) case
B) circumstance
C) state
D) situation

68.TOM,did it ever_________to you that you would be punished for cheating on exams?
A) strike
B) happen
C) occour
D) reflect

69.Lung cancer like some other cancers,often doesn't produce _________until it is too late and has spread beyound the chest to the brain ,liver or bones.
A) symbols
B) symptoms
C) trails
D) therapies

70.Research shows that there is no______relationship between how much a person earns and whether he feeel good about life.
A) successive
B) sincere
C) significant
D) subsequent