【評論主題】13.A: Could you give me a ride ? B: _______ .(A) I don’t know how to ride (B) Sure, hop in(C) I have

【評論內容】Hop in! Get in! 都是叫人"上車"﹐

【評論主題】【題組】(2) 承(1)，若 ，求 的長度=？(2分)

【評論內容】B應該是適合指「杯水車薪」