【简答题】为了提高沈城市民的节水意识,有关部门就“你认为最有效的节水措施”随机对部分市民进行了问卷调查.其中调查问卷设置以下选项(被调查者只能选择其中的一项 ): A.出台相关法律法规; B.控制用水大户数量; C.推广节水技改和节水器具; D.用水量越多,水价越高; E.其他.根据调查结果制作了统计图表的一部分如下: (1)此次抽样调查的人数为 ① 人; (2)结合上述统计图表可得m= ② ,n= ③ ;...
【简答题】阅读下面信息,选择最佳选项完成下列各题。 Name Breakfast Lunch Dinner Dessert Jane Hamburgers and bread Eggs and chicken carrots bananas Sonia eggs hamburgers Chickens and tomatoes Ice-cream David Eggs and bread Hambu...
【简答题】阅读短文,完成各题。 Mike and His Friend-Tom Mike and Tom are in the same school. They are in the same grade, too. Mike has English classes in the morning, but Tom has English classes in the afternoon. After sc...