A full account of the complexities of sleep, sought after by scientists, philosophers, and mystics for millennia,continues to elude us. That we are still so ignorant about a topic so (i) _________ to our daily lives is at once fascinating and (ii) _________.
That we are still so ignorant about a topic so (i)
relevant to our daily lives is at once fascinating and (ii) ___________.
The word from the choice list is
pertinent.
The phrase "at once" suggests opposites. We need a sentiment that is opposite to that conveyed by fascinating.
While we are fascinated by our ignorance,we are also conscious of our ignorance, which can upset us or make us be aware of our limitations when it comes to knowing things.
The word from the choice list is
deeply humbling.
There is nothing fully impenetrable about our ignorance of complexities of sleep. It is the complexity itself that ma be impenetrable.
The phrase
totally blatant does not convey the opposite sentiment of fascinating.
_________________
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