完形填空 Lisa is an English girl. She is 1. She is twenty-two years old now. She is 2actor. She is very nice. 3 hair is long and blond. She 4 blue and big eyes. Her 5 like her very much. Lisa looks 6 Huang Yongmei, a good actor. The actor7 Hong Kong. Lisa's favorite 8 is red. She is often(经常) 9. Lisa likes apples, oranges and bananas. 10 is her good friend? Oh, she is Sally. (1) A . old B . young C . long D . different (2) A . a B . / C . the D . an (3) A . Hers B . She C . Her
有20筐白菜,以每筐25千克为标准,超过或不足的千克数分别用正、负数来表示、记录如下: 与标准质量的差值(千克) -3 -2 -1.5 0 1 2.5 筐数 1 4 2 3 2 8 (1)20筐白菜中,最重的一筐比最轻的一筐重多少千克? (2)与标准重量比较,20筐白菜总计超过或不足多少千克? (3)若白菜每千克售价2.6元,则出售这20筐白菜可卖多少元?