Based on the text, judge the following items.
“which”, in “which seemed an exceptional achievement” (lines 5 and 6), can be correctly replaced by what.
Based on the text, judge the following items.
“Besides”, in “Besides being at least 80” (line 7), and in addition to are synonyms.
Based on the text, judge the following items.
“others”, in “among others” (line 12), cannot be correctly replaced by another.
Based on the text, judge the following items.
The relative pronoun which is a correct alternative for “who” in “centenarians who neither smoke nor drink” (line 15).
Based on the text, judge the following items.
“this”, in “this small community” (lines 14 and 15), is the singular form of these.
Based on the text, judge the following items.
A synonymous word for “thus”, in “It is thus widely believed” (lines 16 and 17), is therefore.
Based on the text, judge the following items.
If is not a correct alternative for “Whether” in “Whether this is going” (line 24).
What is the best conjunction to complete this sentence: “Many people make Climate Change and Glo-bal Warming a scary and difficult thing to understand, _______ it’s not.” ? 
In the sentence “Scientists have warned that the world's climate has changed a lot and has affected many living and non-living things.” the verbs are in the 
The words living and non-living in: “many living and non-living things” function as 