题干
. We have every reason to believe that ______ 2010 World Expo in Shanghai will be ______ success.
A：/; a
B：the; /
C：the; a
D：a; a
答案(点此获取答案解析）
C
A：/; a
B：the; /
C：the; a
D：a; a
的渐近线方程是（ ）
