“检查是否达到目标，如果没有达到，是否已经采取了补救措施”这属于系统管理五个方面中的

如果某天中午气温是2℃，到了傍晚气温下降了5℃，那么傍晚的气温是______℃．

按要求补全句子，每空一词。

1. 你能告诉我去邮局的路吗？(完成句子翻译) 

   Could you tell me the ____ ____ the post office?

2. Did Kangkang have a good time? (保持原意, 改写句子)

   Did Kangkang _____ ____?

3. You can't play football on the street. (改成祈使句)

   ____ ____ football on the street!

4. I am drawing pictures now. (对划线部分提问)

   ____ are you ____ now?

5. There are some children in the room. (变为一般疑问句)

   ____ there ____ children in the room?

脉冲下降时间

On the wall __ two large portraits.

A．hangs

B．hang

C．hanged

D．hanging