Doctors won t operate on the patient______absolutely necessary.A．whenB．ifC．unlessD．though

People could have operations done by top doctors without _____ to trayel to the city w

Doctors decided to operate（) the wounded soldier at once.A withB onC inD at

What is suggested about the telephone operators？A．They are busy.B．They are on a business t

（Since) the injury （is bad), the doctors （will operate) him （immediately).A．SinceB．is badC

How does the medical profession regard the bypass operation？A．Many doctors believe it to b

The legislative provision has a great impact on the operations of the department.A．lawB．pa