【简答题】人体血型主要分为A型、B型、O型、AB型四种,下表是五年级一班50名同学四种血型统计情况. 血型 所占比例 A 45% B 40% O 5% AB (1)AB血型的同学占了全班的______. (2)______血型的人最多,______血型的人最少,它们相差总人数的______. (3)你能算出血型是B型的同学有多少人吗?
【简答题】听下面一段材料,回答第1至3题。 1. What books does the man's wife want? [ ] A. Novels. B. Computer books. C. Storybooks. 2. How many books will the man borrow? [ ] A. Five. B. Two. C. Six. 3. Where are the c...