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1. 1. The   to prepare for the surgery took four hours.
2. Only seriously   people should get their stomachs surgically reduced.
3. He almost died during the operation because the doctors did not give him the right kind of  .
4. Doctors are now able to   many types of sickness that were usually fatal in the past.
5. Before   a painkiller, the dentist rubbed cloves on the woman′s gums to numb them.