could you tell me how my wordpress blog has been always suspended?

[sufeng12]

Suspension Reason
You have been suspended for high system resource usage. Accounts are suspended for usage when they are detected to have consistently high cpu usage, memory usage, and process amounts. This is an automatic suspension, and the third warning. To resolve this.

But I do not know why my blog have consistently high cpu usage, memory usage, and process amounts?

please help me?

 

[Zubair]

How many plugins you are using? some of the plugins causes very high CPU usage.