1908年《图画新闻》中载有一份衙门堂审记录：“（女子严阿苏与男子梁海相识，路上相遇，因邀同行，为巡士抓获）官问：何时与梁相识？阿苏回：在途中相识，我中意他！……官斥二人：汝不凭媒妁之言，青年男女居然同游，有伤风化……判将分别收押，听候核办。”对此记录分析正确的是（  ）

① What do you do on Sundays?  ____     A. Yes, I do.

② What are you doing? ____     B. I eat dinner at 6 o'clock.

③ When do you eat dinner? ____     C. I'm reading a hook.

④ What does Amy do on Saturdays?____     D. I usually go swimming on Sundays.

⑤ Do you usually go swimming?____     E. She washes her clothes on Saturdays.

小明同学在“描绘小灯泡的伏安特性曲线”实验中，为了更准确选取电压表和电流表的合适量程，决定先用多用电表测量小灯泡的阻值．

1300×420=____