A drink of any type: beverage
The transition which could replace the word thus in this sentence is definitely consequently.
Workers bravely set dangerous explosives in the mountains by hand to make passes for railroads, and consequently hundreds lost their lives.
Answer:
Lenina has never seen an old person because she is used to her society where no one ages past thirty.
The noun in this sentence which is uncountable, meaning that it names something that cannot be counted is the noun water.
You cannot count how many waters there are - it is uncountable. The other nouns, students and pitcher are countable, so they cannot be the correct answers, but rather water is.