Directions: There are 10 blanks in the following passage.For

Directions: There are 10 blanks in the following passage.For each numbered blank

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What is the author‘s main concern?

What is the author‘s main concern? A.How to render automobiles pollution-free. B

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You would be ___ a risk to let your child go to school by hi

You would be ___ a risk to let your child go to school by himself.A.omitting B.a

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Great as Newton was,many of his ideas ________ today and are

Great as Newton was,many of his ideas ________ today and are being modified by t

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Nonsmoking mothers were selected because the effect of smoki

Nonsmoking mothers were selected because the effect of smoking on PAHs was uncle

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