关于被私有访问控制符private修饰的成员变量，下列说法正确的是（ ）。A．

读短文，判断正(√)误(×)。

      Welcome to the Children's Centre. You can do many things here. Look, there are many children. This is

Chen Jie. She's drawing pictures. Mike is watching insects. Amy is reading a storybook. Wu Yifan is playing

chess with a man. Who's the man? He's Mr Black, Wu Yifan's math teacher. He's a smart man. John and Sarah

are taking pictures. Where's Bai Ling? Look! She's over there. She's writing a report. Her sister is singing and

playing the piano.

( ) 1. Chen Jie is taking pictures.

( ) 2. Amy is reading a book.

( ) 3. Mr Black is playing chess.

( ) 4. John is drawing pictures.

( ) 5. Bai Ling is writing an e-mail.

学校买回480盆花，放在8个花坛里，平均每个花坛放多少盆？

下列各组药品，可直接验证锌、铁、铜三种金属活动性顺序的是（　　）

A．Fe、ZnSO₄溶液、CuSO₄溶液

B．Fe、Cu、ZnSO₄溶液

C．Cu、ZnSO₄溶液、FeSO₄溶液

D．Zn、Fe、CuSO₄ 溶液

又聋又哑的人或者盲人犯罪，应当从轻、减轻或者免除处罚。

某高中生的下列行为中，属于参加政治生活的有（）。

①帮助居委会管理社区卫生

②为班级患病同学捐款

③向消费者协会投诉电脑质量问题

④在互联网上参与交通管理问题讨论

A.①②

B.①④

C.②③

D.③④