某同学用电流表测量流过电灯的电流大小，所接电流表的量程为0～0.6安，但刻度盘上只能看清0～3安量程的刻度，发现指针在2.4安刻度线上，则该同学测得的电流大小为    (     )

Lucy said she __________ cook meals when she was five.

①社会规则保障社会秩序的实现

②自由不是随心所欲，要受社会规则的约束

③公民在行使自由和权利时不得损害国家的、社会的、集体的利益

④倘若这些农民工不集体游行，他们就得不到工资

下列地理现象，主要是由于地球自转产生的是（　）
①昼与夜  ②昼夜更替 ③长江入海的河道逐渐向南迁移  ④极昼和极夜

    Hi, I'm Huanhuan. I'm from Canada. This is my friend, Amy. She's from USA. Today we go to the zoo. We see many animals. We are very happy. I like pandas. They are fat and cute. Amy likes elephants. They have long nose and big ears. Look at the lion, he is eating meat!

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选择正确的答案填在括号里。