This passage is most probably taken from an article entitled"______".

A．Because indoor cleanness was not emphasized.
B．Because energy used to be inexpensive.
C．Because environmental protection was given top priority.
D．Because they were technically unavoidabl

A．A storm surge is a dramatic increase in wind velocity.
B．A hurricane watch is more serious than a hurricane warning.
C．Falling air pressure is an indicator that the storm is increasing in intensity.
D．It is safe to go outside once the eye has arrive