Hello, boys and girls! My name is Dick. I’m a boy. I’m a robot (机器人). Please look here. These are my hands. My arms are long. I have no hair. This is my face. It’s round. I have two big eyes , a long nose and a ____________ (宽的) mouth. Here are my big ears. I have short legs and two big    _ _______ (foot的适当形式). I can walk(步行). I can speak Chinese, but I can’t speak English. I’m your good friend.

任务一：按括号内的要求填空。

小题1:                   。

小题2:                   。

任务二：完成句子，每空一词。

小题3:Dick’s              is big.

小题4:Dick can speak                 .

任务三：从文中找出一组反义词。

小题5:            ，                。

直流系统启动功率翻转应满足的条件有（）。

A.直流功率可处于升降过程

B.直流功率没有处于上升或下降过程

C.直流系统已投运

D.直流系统处于解锁过程中