题目

同为组成生物体蛋白质的氨基酸，酪氨酸几乎不溶于水，而精氨酸易溶于水，这种差异的产生，取决于( ) A . 两者R基团组成的不同 B . 两者的结构完全不同 C . 酪氨酸的氨基多 D . 精氨酸的羧基多 答案：ADLucy is a nice girl. She is twenty-six. She opens (开) a clothes store. Its name is Lovely Clothes Store. The store is for girls, not for boys. The store has clothes in many colors. Do you want to have a look at the store?Clothes Colors PriceT-shirts blue, green and white ￥25Skirts red, green, yellow and black ￥45/￥65Sweaters yellow, blue and red ￥35/￥55Pants orange, white and green ￥54/￥84/￥104【1】The clothes in Lovely Clothes Store are for _________.A. fathers B. girls C. stars D. boys 【2】The T-shirt is _________ yuan each.A. 25 B. 35 C. 54 D. 65【3】 Serena can buy _________ skirt(s) for 130 yuan at the store.A. one B. two C. three D. four【4】The store has _________ in yellow and red.A.T-shirts and sweaters B. sweaters and pantsC. sweaters and skirts D.T-shirts and pants【5】What can we know from the passage?A. The store sells T-shirts in three colors.B. A girl can find red shoes in Lucy’s store.C. Lovely Clothes Store also sells food.D. We can buy two pairs(条) of pants for 104 yuan in Lucy’s store.