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【单选题】
During ware, military operations often involve covering machines with trees so they are invisible from the sky.
A.
medical procedures involving repairing a damaged body part
B.
organized activities involving many parts
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Because adversaries were ready to cut down his theories, the biologist was careful to trace the steps that led to his conclusions.
A.
enemies
B.
supporters
【单选题】People traveling in deserts sometimes think they see a pool of water in the distance that isn’t really there. This is an optical illusion created by the intense heat.
A.
visual trick
B.
strong wish
【单选题】Even when we have accurate information, we sometimes make a mistake because our mind influences us to see what we want to see.
A.
interesting and careful
B.
correct and true
【单选题】It’s dangerous to use a cell phone while driving because it can distract you, and you might not notice other cars or people in the road.
A.
remind; help you recall information
B.
take your attention away from something
【单选题】That Web site has caused a revolution in how we believe animal camouflage relates to species survival.
A.
imaginary or unimportant actions
B.
a complete change in methods
【简答题】enemy 2. utilizes 3. correct 4. goal 5. manipulates 6. improve 7. complete change 8. visual trick
A.
influences
B.
objective
C.
adversary
D.
uses
E.
revolution
F.
illusion
G.
accurate
H.
enhance
【单选题】Certain people have an amazing capability to remain calm while enduring high levels of stress.
A.
having qualities or resources necessary to do something
B.
not having the power to represent a true image
【单选题】In the early part of his career, Harry used to perform escapes from
A.
straightjackets
B.
handcuffs
C.
containers filled with water
【单选题】By the early part of the twentieth century, Harry's audiences were
A.
participating less
B.
getting smaller
C.
moving to America