【Daily Question】1.24 Fill-in-the-blank question: When there is a shortage of solvent, it is necessary to ensure first ( ) and ( )
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When there is a solvent shortage, it is necessary to ensure (1-dilute) and (2-dilute) first
When there is a solvent shortage, it is necessary to ensure (1-dilute) and (2-dilute) first
When there is a solvent shortage, it is necessary to ensure (primary) and (secondary dilution) first
When the solvent is scarce, (monodiene) and (diodiene) must be ensured first.
Why is the question incomplete? How am I supposed to answer it?