题干
— The old photos remind me of my best friends.
—Then, who are they?
A： make me worry about
B： make me look at
C： make me think of
答案(点此获取答案解析）
C
— The old photos remind me of my best friends.
—Then, who are they?
A： make me worry about
B： make me look at
C： make me think of
2B(g)和2C(g) 
的一个零点，其参考数据如下：
的一个近似解(精确到
)为