单项选择题

Which of the following is TRUE about low-price sunglasses

A．They cannot protect the eyes. when the sun is strong.
B．They can be used as fashionable toys for kids.
C．They are all fashionable.
D．They do not effectively filter out harmful rays.
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单项选择题
Griffith’s film innovations had a direct effect on all of the following EXCEPT ______.
A．film editing
B．camera work
C．range of subjects
D．sound editing
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What does the author mean by the word progress in this passage
A．Urbanization.
B．Economic growth.
C．Cultural development.
D．Increase of population.
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