Based on the information provided, the suffix –ist here most likely means:
“one who practices”
<u>Explanation:</u>
A suffix is/are a group of letters that are added towards the end of a noun or verb which would add more meaning to the word or also change the function of the word.
Regarding the same, the letters –ist is added to the word science which makes it “scientist” and similarly for atom, making it “atomists”. This changes the meaning of the word by making it belong to a person in the form of an occupation that a person holds.
Answer:
22) C - as the passage emphasizes the role of leadership.
27) C - (It is not D or B because these two imply that She might published more than 7 poems, but there were 7 published anonymously while the others were not; the answer A is obviously wrong)
32) B (D - should be "She is non-native speaker; C - should be "re-winded";
36) B - (the phrase indicated that the replacement with electronic records should have been done quickly only, so not related to what the other answers imply)