The author suggests that the situation could be improved if______.
A. schools provided separate classes for advanced and lower-level students
B. parents would play a more prominent role in their children"s education
C. schools would expect the same effort from poor-performing readers as from proficient readers
D. more attention was paid to the test results
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The picture of the reading ability of high school seniors drawn by the author is______.
A. extremely impressive
B. very encouraging
C. mediocre at best
D. rather bleak
The underlined word in Paragraph 4 refers to______.
A. lucid
B. vague
C. reasonable
D. persuasive
People start to question some nutrients effect probably because______.
A. the experiments on mice have failed
B. they may affect brain development
C. mothers" diet can influence children
D. they may disrupt normal biological mechanisms