题干
— _______________（ )
— I'd like some hamburgers.
A：What would you like to eat?
B：What would you like to drink?
C：What's your favourite food?
答案(点此获取答案解析）
A
— _______________（ )
— I'd like some hamburgers.
A：What would you like to eat?
B：What would you like to drink?
C：What's your favourite food?
－0.15 
和L2=2
}，
=5，
=10，则
=（ ）
