The nurse took a （n)_____ of my blood for test.A.sortB.typeC.exampleD.sample

The negotiations which ______ the signing of the treaty took place over a number of years.

The joke about doctors implies that, in the eyes of nurses, they are ______.A．impolite to

A nurse has to take care not to ______ air into the bloodstream of her patients.A．injectB．

The history of nursing _____ the history of man.A、as old asB、 is old, also old isC、that

The issue of media ownership is important because ______TH.E. M.OST N.OTI.C.E.A.B.LE. TRE.

The nurse took _____ of my blood to test.A.an exampleB.an instanceC.a caseD.a sample