early model; a standard or typical example
The engineers tested the first prototype of the new vehicle.
Vocabulary like prototype appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.
corresponding; the relation between things with respect to their quantity or degree
suitableness; correct or appropriate behavior
ordinary and dull
prohibit; command against
chance; the possibility of future success
a formal written proposal
achieve success or wealth
wealth and economic success
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