李先生准备2010年购买250万元的别墅。打算按“首付五成，十年按揭”的方式偿付房款，每月等额本息还款。假设房贷利率为6.2%。李先生购买别墅后，就别墅此项按揭，每月应偿付()元。
A. 10416.67
B. 10470.49
C. 14003.44
D. 14278.32
李先生的家庭结余率为()。
A. 23.53%
B. 33.33%
C. 42.17%
D. 76.47%
Why does the writer say "gene" and "bheu" are immense words？
A. Because they are rich in meaning.
Because they come from a very old language.
C. Because they remind us of anthill.
D. Because they mean beginning and birth.
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