66. Some insects can adapt to the environment and change their color to __________ plants around them.
A. simulate
B. observe
C. modify
D. replicate
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67. The blue whale, the world's largest animal, needs to __________ a million-and-a-half-calorie diet every day.
A. keep
B. store
C. consume
D. waste
68. The little boy carefully __________ his chocolate bunny to make sure his sister hadn't eaten any of it.
A. enjoyed
B. searched
C. inspected
D. investigated
69. Eating plenty of fruits, vegetables, protein and dairy products will __________ your body gets the minerals it needs.
A. ensure
B. assure
C. provide
D. protect
70. Einstein said that a unified super-theroy of everything would __________ us to read the mind of God.
A. authorize
B. challenge
C. clain
D. enable