Idiom
To make the grade

To make good one's previous loss
To come out successful
To get good marks in an examination
To fail in a task

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Idiom
Select the correct statement about active and passive immunity.

A vaccination is an example of the introduction of passive immunity into the body
Immunological memory is established by passive immunization
The antibodies utilized in active immunity are acquired from another organism
Active and passive humoral immunity are both mechanisms of adaptive immunity that useantibodies

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