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43. Ellen Ochoa's ______ with the apparatus in the space shuttle Discovery was apparent when she adroitly manipulated the shuttle's robot arm.
A. compromise
B. humility
C. machinations
D. synergy
E. deftness
44. Much of our knowledge of dinosaurs comes from excavated bones, which, in ______ other clues such as fossilized tracks and eggs, help us to ______ the evolution of these creatures.
A. convergence with, supplant
B. divergence from, decode
C. dependence on, belie
D. opposition to, amplify
E. conjunction with, trace
