语法与词汇 3.She has a_____knowledge of French, but she can't resist showing off in public.
【正确答案】 B
【答案解析】形容词形似义异辨析。superficial意为“表面的，肤浅的，浅薄的”，如：They’ve only got a superficial knowledge of linguistics．他们在语言学方面仅仅懂得一些皮毛。