一：

What does this represent?
ENERGY
EQUALS
MASSTI
MESTHE
SPEEDO
FLIGHT

二：
Make a five-letter word from these letters:
H,I,J,K,L,M,N AND O

三：

what has two legs but can't walk?
From what number can you take half and leace nothing?
what 5-letter word has 6 left when you take 2 letters away?
what kind of dog never bite?

四：
There are two rooms—one room with three light bulbs,the other with three light switches.Each switch turns on one light.If you can only travel to each room once,how can you tell which switch controls which light?

  这是寒假作业里的，不懂啊！！求教

The first sentence you can refer to the dictionary.......
The followings tend to interesting.......o(╯□╰)o
I hesitate to advance it or not??????  

I am sorry.I can't help you

I KNOW THE QUESTION 3 ANSEWR
Q3 A1.BABY A2.EIGHT (8=0+0) A3.SIXTY 4.HOTDOG

LZ可以用翻译软件额