As mentioned in Paragraph 4, a key question unanswered about homework is whether______.
A. it should be eliminated
B. it counts much in schooling
C. it places extra burdens on teachers
D. it is important for grades
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根据本文,人们通常把“好读书,不求甚解”理解为()。
A. 不能够就所读书籍提出自己的见解
B. 读书应该广泛涉猎从而扩大知识面
C. 应多读书但无需完全理解书的内容
D. 遇到不明白的问题不会向他人请教
如图所示,夜晚,人在马路上从一盏路灯下走过的过程中,其影子的长度变化情况是()。
A. 先变短,后变长
B. 先变长,后变短
C. 逐渐变短
D. 逐渐变长