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阅读理解 Come to Mr. Cool's Clothes StoreSaturday andsave!Mr. Cool is inthe store on Saturday from 12:00 to 17:00. You can get some 10% off coupons (优惠券) from him. Allsports shoes for men and women are only $16 each! 7 sizes for you! (US: 7, 8,9, 10, 11, 12, 13) We have as many as 5 colors (red, blue, yellow, black,white) for shirts and T-shirts. Buy any hat and get a second one free!Special hoursthis Saturday only8:00 am to 10:00 pmMr. Cool's clothes Store23 W 13thStreet. Brooklyn, New YorkWantto know more? Call us at 240-293-514986. （1） When can you get some coupons fr图所示的电路是研究导线的电阻大小是否与导线材料有关．其中除了AB、CD导线的长度相同外，还应满足的条件是（ ）A．横截面积不同，材料不同B．横截面积相同，材料不同C．横截面积不同，材料相同D．横截面积相同，材料相同