题目

—Could you tell me ________? —Certainly, and the earlier, the cheaper. A． how long it will take to get to Paris B． if I can book a direct flight to Paris online C． where I can buy a ticket for the direct flight to Paris D． when I can buy a ticket to Paris without my passport 答案：B【解析】 【详解】 句意： ——你能告诉我是否可以在网上预订直飞巴黎的机票吗？ —— 当然可以，而且越早预订，机票越便宜。 考查宾语从句。 how long it will take to get to Paris到巴黎要多长时间； if I can book a direct flight to Paris online 我是否可以在网上预订直飞巴黎的机票； where I can buy a ticket for the di当       时，二次根式有意义．