【正确答案】Topic: I have two ways to make sure that I get my assignments done on time.
Reason 1: The first way is to remain organized. I keep notes of all my classes in, proper folders and notebooks. It is surprising how helpful this can be when studying several subjects at once.
Reason 2: Most importantly, I keep a strict study schedule and try to follow it daily. For example, if I set aside two hours for math on Thursday, I make sure to study for those two hours, and also to study only math during that time.

【答案解析】Alternative Wording(替换表达)
Synonyms (a)at once—simultaneously (b)strict—rigorous
(c)set aside—reserve, save (d)make sure to—make a point of
Paraphrases 1. It is amazing how effective this can be for studying a number of subjects simultaneously./It is very helpful when studying several subjects at once.
2. Of paramount importance is adhering to a rigorous schedule.