问题
选择题
By ________ nature, you are an adventurer, full of amazement and curiosity about _________world bigger than life itself.
A．a; the
B．the; the
C．/; a
D．the; /
答案
答案：C
考察冠词的用法。By nature就其本质而言，天生的，固定短语；world，earth，sun，moon等独一无二的名词一旦被形容词修饰之后，其前要用不定冠词来限定。