It is well known that smoking is harmful to the health.

It is well－known that the retired workers in our country are eligible to free medical care

What can we learn about pleasure food from the passage？A．It is harmful to health.B．It can

It is well known that knowledge is the _____ condition forexpansion of mind.A) incap

"To be or not to be: that is the question" is a well-known quotation fromA．King Lear.B．Oth

It is important to realize that the same technology _____ helps us may also harm us

共用题干It is well一known that life expectancy is long