The Galapagos Islands were home to the Galapagos _______, a bird that was to be famous because of its influence on Darwin's thinking.
A. sparrows
B. swallows
C. robins
D. finches
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According to Charles Darwin, the following are the conditions of evolution except______.
A. heredity;
B. natural selection;
C. variation among the offspring;
D. limited food
According to the passage, who opened the outer world to Helen Keller?
Alexander Graham Bell
B. Anne Sullivan Macy
C. Mark Twain
D. Thomas Alva Edison
I should call to me all my dear friends and look long into their faces, imprinting upon my mind tbe outward evidence of the beauty that is within them.此句中的imprinting意思是:
A. producing a mark on a surface
B. making an impression
C. having an influence
D. drawing pictures
I who am blind can give one hint to those who see--one admonition to those who would make full use of the gift of sight: Use your eyes as if tomorrow you would be striken blind,...此句中的admonition意思是:
A. advice or warning
B. favour
C. inquiry
D. requirement